OT-2026-000049549
Publication integrity record
Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000049549) never changes.
Identity and time
| Publication number | OT-2026-000049549 · never reused |
|---|---|
| Internal UUID | 01a0ae81-8f7d-7baf-873d-c43a8fb52e91 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:21.728203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049549 |
| Status | PUBLIC |
Content hashes
| Canonical text | 54bf24db73380e3b45968a999b9cd923ac7933cf2ff37a6a38bb08594ea86a2d |
|---|---|
| Markdown | 28644c106e0d20ba549b29f321398f51af70b6ee1dc5380caec21ddbf8e4a14a |
| Publication page | 6397e3c4e7edf0937132c8fa64509deb812afed2dfa083006ad04029c2f75e01 |
| Manifest | f42fa538ba9fe027562a6f26bb0183d45497731d66bdf7d820fac1644a7fc45b |
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 | gzOdNx1cxI7h7DeOT4cN0SqUlzf36PW6hV2PCnN1cY5e26DBSp/intEtfxNr4eapLTpZR7uHIHzdTOMHkn4LCQ== |
| 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
| 2026-09-17T11:02:25.085629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049549observed 6397e3c4e7edf0937132c8fa64509deb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:02:25.068180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049549/manifest.jsonobserved f42fa538ba9fe027562a6f26bb0183d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:25.051215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049549/publication.mdobserved 28644c106e0d20ba549b29f321398f51...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:25.033402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049549/publication.txtobserved 54bf24db73380e3b45968a999b9cd923...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. |
|---|