OT-2026-000025772
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000025772) never changes.
Identity and time
| Publication number | OT-2026-000025772 · never reused |
|---|---|
| Internal UUID | 01a0ae71-a83d-7239-a55a-231f87786cf2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:17:59.376802Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000025772 |
| Status | PUBLIC |
Content hashes
| Canonical text | 65e5ec0dd078d09d6758800ef756b437b335cab71d740ab14de2e8b4b99caef5 |
|---|---|
| Markdown | 7c33e92739706a944f375e2546d85f8511274981b761a121a4c247fcd15b0683 |
| Publication page | 029a068d43223b6d25d3b52e4acd9d53b2a33cd226baa7c8be31f25f59755b9d |
| Manifest | 470c56d23a3780f02a3cc04b2e28a02b577055b4f3151e1b118a61861f4545b5 |
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 | 7cPIzTacwdke2mWNkEv8u1PMpqnDhi3hP5LyLrbTl09f55RbLcKz2xTgWt8umPfq8NWPKuRA54Lyi5xAanMuCQ== |
| 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
| 2026-10-15T20:42:00.576109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025772observed 029a068d43223b6d25d3b52e4acd9d53...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T20:42:00.496776Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025772/manifest.jsonobserved 470c56d23a3780f02a3cc04b2e28a02b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T20:42:00.356267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025772/publication.mdobserved 7c33e92739706a944f375e2546d85f85...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T20:42:00.164155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025772/publication.txtobserved 65e5ec0dd078d09d6758800ef756b437...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T20:41:53.830039Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025772observed 029a068d43223b6d25d3b52e4acd9d53...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T20:41:53.765311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025772/manifest.jsonobserved 470c56d23a3780f02a3cc04b2e28a02b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T20:41:53.686466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025772/publication.mdobserved 7c33e92739706a944f375e2546d85f85...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T20:41:53.560112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025772/publication.txtobserved 65e5ec0dd078d09d6758800ef756b437...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 |
|---|