OT-2026-000031881
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000031881) never changes.
Identity and time
| Publication number | OT-2026-000031881 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-7dfb-a8fc-5c8bec1b571b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031881 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7736c47751c5a08e47f14c149b78ae92473830291e194acf21da184660f443ca |
|---|---|
| Markdown | ed01181129a720f4b5c5342e25bbfcd14f089a5e3a3c98d410e05392711a0b47 |
| Publication page | 6dcd9476a68d783cc4ae070bd528bcf8d7f77d0636a621e36ee9350fe42ad211 |
| Manifest | 97e85d769a8a878caa8a6c489fb51da80da8d8454d737c71b988a4296907ef51 |
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 | 3K7fpkgIfRrDHcPGrjime+DL6YtA4dwY9niJUs2jZaWaca5wjLRO8o9XcTb1vGUzpZy2PRPjBjtH4XXmybupDQ== |
| 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
| 2026-09-17T11:35:08.709415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031881observed 6dcd9476a68d783cc4ae070bd528bcf8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:08.692680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031881/manifest.jsonobserved 97e85d769a8a878caa8a6c489fb51da8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:08.675352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031881/publication.mdobserved ed01181129a720f4b5c5342e25bbfcd1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:08.658239Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031881/publication.txtobserved 7736c47751c5a08e47f14c149b78ae92...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
| Custody package | Pending Custody packages are produced weekly. |
|---|