OT-2026-000005410
Publication integrity record
Vacuum cup gripper, two zone face, ejector fed, contact triggered, polyurethane cups, oval form
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-2026-000005410) never changes.
Identity and time
| Publication number | OT-2026-000005410 · never reused |
|---|---|
| Internal UUID | 01a0a938-2289-711f-86d7-e2fa30df31a2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:57:03.499691Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005410 |
| Status | PUBLIC |
Content hashes
| Canonical text | 75b6587f5724d0247422924825ed70e797b50bb49d584e57c4fcad4cb78acf94 |
|---|---|
| Markdown | 1dd82b07375734b7d8c72d8620a3bae07b149dd39ac50d530c885784069a5dc2 |
| Publication page | f4892025886e8bcbac5ed382e65ffd479456255b08557a0c012740cd3fbbb733 |
| Manifest | 96270162f3167a6559b81f39f884a371f84571e15593cf77ad79ba14313f5018 |
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 | ZfXuKCybps5aDOnlDumIHZEh5BcQqDqkSu7MjImlOaaDQ/N7ahAS6DAJBih2xWiHS2i5j0Aor2Zws5UL7bbpDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-10-19T16:41:18.267951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005410observed f4892025886e8bcbac5ed382e65ffd47...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T16:41:18.200300Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005410/manifest.jsonobserved 96270162f3167a6559b81f39f884a371...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T16:41:18.121725Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005410/publication.mdobserved 1dd82b07375734b7d8c72d8620a3bae0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T16:41:17.978696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005410/publication.txtobserved 75b6587f5724d0247422924825ed70e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:19.648730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005410observed f4892025886e8bcbac5ed382e65ffd47...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:19.631864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005410/manifest.jsonobserved 96270162f3167a6559b81f39f884a371...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:19.616698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005410/publication.mdobserved 1dd82b07375734b7d8c72d8620a3bae0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:19.599312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005410/publication.txtobserved 75b6587f5724d0247422924825ed70e7...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 |
|---|