OT-2026-000021962
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, single stage ejector, sustained 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-2026-000021962) never changes.
Identity and time
| Publication number | OT-2026-000021962 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-74c8-abe9-9ab6b7c5dd0b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021962 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6175c645cf6136c96707fa228045e79cdd8c05c196212159153079b01fcef85a |
|---|---|
| Markdown | 332a2a19c1b25327538346da6b2a6a1ce09c264031df410611b743c36508f44c |
| Publication page | 6e6e63c0c49ba28278c0ce1d46fc109b51284beed9a7d8114805a29374cfd9e5 |
| Manifest | 345502e1242e50bfe5f13377957a63992023c6dd64769eeb6e33f9157201e7f7 |
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 | kD3D3PxkmPcag9WK7NDtFOZHjPli52qIT5A95KJgUHy4yFyWoLEKfcb//x+tFQoh+JN/gVlCDnSyhHwyIAR/DA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-19T08:41:47.288569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021962observed 6e6e63c0c49ba28278c0ce1d46fc109b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T08:41:47.214722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021962/manifest.jsonobserved 345502e1242e50bfe5f13377957a6399...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T08:41:47.150391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021962/publication.mdobserved 332a2a19c1b25327538346da6b2a6a1c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T08:41:47.081115Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021962/publication.txtobserved 6175c645cf6136c96707fa228045e79c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:23:05.118382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021962observed 6e6e63c0c49ba28278c0ce1d46fc109b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:23:05.101279Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021962/manifest.jsonobserved 345502e1242e50bfe5f13377957a6399...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:23:05.074026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021962/publication.mdobserved 332a2a19c1b25327538346da6b2a6a1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:23:05.050250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021962/publication.txtobserved 6175c645cf6136c96707fa228045e79c...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 |
|---|