OT-2026-000052803
Publication integrity record
Two cup vacuum gripper, two zone face, 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-2026-000052803) never changes.
Identity and time
| Publication number | OT-2026-000052803 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42e-7845-a019-9884dbc2f56e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052803 |
| Status | PUBLIC |
Content hashes
| Canonical text | 815bf58b803832a6c67fb6300030452a15068f33fd5eb5e5a287ed928c91bfd8 |
|---|---|
| Markdown | 352e4f480f36285cdc5743c45cf6eff6664f6572e478b6a32253567e7404175f |
| Publication page | 34787da0458562c4ab4b45cf97ce0c5e83c4ef21c77cd88c64e1ddef807684b2 |
| Manifest | 50754ddabe3d8b6c6008a23bccc345abe53a6bbad431cf9f1bbab2317dddb026 |
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 | ymxxcuqJD51m128ob1iyRfcoiaN2fYJq9mL+kqYCZJ42UtvgIFIYGm7AX57R/oDZaXmcLmr2zpkxpJfSzJSgDw== |
| 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
| 2026-10-06T12:41:09.244257Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052803observed 34787da0458562c4ab4b45cf97ce0c5e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-06T12:41:09.169776Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052803/manifest.jsonobserved 50754ddabe3d8b6c6008a23bccc345ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:09.119375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052803/publication.mdobserved 352e4f480f36285cdc5743c45cf6eff6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:09.017711Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052803/publication.txtobserved 815bf58b803832a6c67fb6300030452a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:23:13.689090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052803observed 34787da0458562c4ab4b45cf97ce0c5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:23:13.674243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052803/manifest.jsonobserved 50754ddabe3d8b6c6008a23bccc345ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:23:13.638956Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052803/publication.mdobserved 352e4f480f36285cdc5743c45cf6eff6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:23:13.592109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052803/publication.txtobserved 815bf58b803832a6c67fb6300030452a...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|