OT-2026-000056551
Publication integrity record
Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000056551) never changes.
Identity and time
| Publication number | OT-2026-000056551 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af5-7a6f-9940-06f8521a5c28 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:49.577818Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056551 |
| Status | PUBLIC |
Content hashes
| Canonical text | f90196035a8672284754699ee74a16db90843cb0f0a17dde4f5f59a910dadaa4 |
|---|---|
| Markdown | 0a166848361c0a3ae813e3109cd14dd6de03989dee8d96e6059e4a03089f0ea2 |
| Publication page | 94a7fcfdd71b2c4845cb2da944731e1ef45f9dbeb10921793ba4b47bc977be38 |
| Manifest | e7809c3af8022b938eac0dbcd9747a676950bf5b9624e5f918ee705c865df155 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | PUQZbfIiciojAMsKqjlMkLgBD43OuhIpSKdZkRAMQUG+JtOvPgh/snY/P6gX9WPY23C70BU4xrjbFcDDnjFACw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-13T08:41:18.510667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056551observed 94a7fcfdd71b2c4845cb2da944731e1e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T08:41:18.444532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056551/manifest.jsonobserved e7809c3af8022b938eac0dbcd9747a67...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:18.301929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056551/publication.mdobserved 0a166848361c0a3ae813e3109cd14dd6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:18.160381Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056551/publication.txtobserved f90196035a8672284754699ee74a16db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:54.928678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056551observed 94a7fcfdd71b2c4845cb2da944731e1e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:54.854905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056551/manifest.jsonobserved e7809c3af8022b938eac0dbcd9747a67...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:54.803641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056551/publication.mdobserved 0a166848361c0a3ae813e3109cd14dd6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:54.670256Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056551/publication.txtobserved f90196035a8672284754699ee74a16db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|