OT-2026-000038604
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000038604) never changes.
Identity and time
| Publication number | OT-2026-000038604 · never reused |
|---|---|
| Internal UUID | 01a0ae78-2d54-7172-b577-56b4a6d5dbe9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:25:06.661829Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000038604 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1a338d79fcdb91c321ffa2bdd76f3a7d858c1b9f59c0462dc895f1357a98a486 |
|---|---|
| Markdown | c939a9a23da473298b665a4a2a1a92ca4fa210b00dadd0cb68acafc050e7f05c |
| Publication page | 8f558dd23be6759cf88454b089ab898a7b33bfefe4fcba860dd36700936c70d5 |
| Manifest | d1d9563a78ccb62b5c68cea2518218449d1eb1b2b67410a1f4eaef5ed0ca1c71 |
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 | rJxXJN0sIei+K20h23DOuMYGSwh9Stvxikdvsx69aTdRl2Pl85FxyN2U+J+gaI71gSX9tLuH5lKAWZ2sCoCbCw== |
| 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
| 2026-11-03T04:41:22.165333Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038604observed 8f558dd23be6759cf88454b089ab898a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T04:41:22.098214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038604/manifest.jsonobserved d1d9563a78ccb62b5c68cea251821844...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:41:21.957585Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038604/publication.mdobserved c939a9a23da473298b665a4a2a1a92ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:41:21.858007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038604/publication.txtobserved 1a338d79fcdb91c321ffa2bdd76f3a7d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T00:41:10.104448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038604observed 8f558dd23be6759cf88454b089ab898a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T00:41:10.058437Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038604/manifest.jsonobserved d1d9563a78ccb62b5c68cea251821844...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T00:41:10.011171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038604/publication.mdobserved c939a9a23da473298b665a4a2a1a92ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T00:41:09.962622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038604/publication.txtobserved 1a338d79fcdb91c321ffa2bdd76f3a7d...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 |
|---|