OT-2026-000054247
Publication integrity record
Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000054247) never changes.
Identity and time
| Publication number | OT-2026-000054247 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a9-79b9-97d2-da78f4fe808a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054247 |
| Status | PUBLIC |
Content hashes
| Canonical text | cc305279d04ac8a3559fafd3b2ebf8f783c51a9fcb111389715d7d4700503217 |
|---|---|
| Markdown | 7df0edfd3c2a9e7750aa9bbed16264500ec72124b9741886d247cd41a964bc55 |
| Publication page | f786a0d677e8fc8596f2cbdb6806b66966dee94a2b245ae6cb2691458e1e7b43 |
| Manifest | d8d58296a82f827c53847127a3b9a750d9012129c0f611a2c2057b8619ce8a07 |
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 | ZaeqV/IMMceklFM/NaaZuhyZvItJphFVQ4Xme5vZbnkeazhZCdVorWYYw8oYFCnCN1fYzOFUes9x0qcqoZ1XAg== |
| 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
| 2026-10-05T12:41:15.236514Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054247observed f786a0d677e8fc8596f2cbdb6806b669...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-05T12:41:15.188473Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054247/manifest.jsonobserved d8d58296a82f827c53847127a3b9a750...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:15.135677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054247/publication.mdobserved 7df0edfd3c2a9e7750aa9bbed1626450...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:15.018575Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054247/publication.txtobserved cc305279d04ac8a3559fafd3b2ebf8f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:41:22.927432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054247observed f786a0d677e8fc8596f2cbdb6806b669...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:41:22.823402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054247/manifest.jsonobserved d8d58296a82f827c53847127a3b9a750...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:41:22.665864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054247/publication.mdobserved 7df0edfd3c2a9e7750aa9bbed1626450...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:41:22.526551Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054247/publication.txtobserved cc305279d04ac8a3559fafd3b2ebf8f7...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 |
|---|