OT-2026-000027242
Publication integrity record
Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000027242) never changes.
Identity and time
| Publication number | OT-2026-000027242 · never reused |
|---|---|
| Internal UUID | 01a0ae72-3454-7d45-a6ab-609e6f092a2c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:35.358864Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027242 |
| Status | PUBLIC |
Content hashes
| Canonical text | eb2cf0db672ee8f03abc79edc83ed2c3c5c47df3c2582fdf58a2a45951240e4e |
|---|---|
| Markdown | f548794c9b87a93f97b3d03d348f22b25a6b06a0858f2168a08f958010322c07 |
| Publication page | 70085a97c2778adb47a6a89b467db0798719020d3b8ea91640e5d29c81d87208 |
| Manifest | 34495c66ac25bc7fc5f2b35879c19d2c39e162637bbc30380c3b18eb56a027ac |
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 | iyl5FXh1aK+ns545YT8uu2pJoQwoZtRYmkeAucCJf87U4TBkDJ7feEfsp/N09nCBVp3Sqq4hcx1IcxCzXqc/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
| 2026-10-15T08:41:10.996070Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027242observed 70085a97c2778adb47a6a89b467db079...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T08:41:10.945230Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027242/manifest.jsonobserved 34495c66ac25bc7fc5f2b35879c19d2c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T08:41:10.895860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027242/publication.mdobserved f548794c9b87a93f97b3d03d348f22b2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T08:41:10.807888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027242/publication.txtobserved eb2cf0db672ee8f03abc79edc83ed2c3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:33.133846Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027242observed 70085a97c2778adb47a6a89b467db079...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:33.061815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027242/manifest.jsonobserved 34495c66ac25bc7fc5f2b35879c19d2c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:32.975998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027242/publication.mdobserved f548794c9b87a93f97b3d03d348f22b2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:32.899206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027242/publication.txtobserved eb2cf0db672ee8f03abc79edc83ed2c3...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 |
|---|