OT-2026-000040821
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000040821) never changes.
Identity and time
| Publication number | OT-2026-000040821 · never reused |
|---|---|
| Internal UUID | 01a0ae79-6d10-7b12-b7d8-07b7a6aea90d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:26:28.516236Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000040821 |
| Status | PUBLIC |
Content hashes
| Canonical text | 90d8ad904938becadd408eeb61270090c17216674ad9645188e3192821f71c06 |
|---|---|
| Markdown | 5f0c6f6ea613a641eb66662e05882ddf837e3b00c7c5f340efce5918435969df |
| Publication page | 448fea7ea89c1337517a05653303466a365451f5739e20d2033e36eafbc09aca |
| Manifest | fd033d94110253ecfc380e23ed9d9b89ead034eb0cff67e15d4417bafb457ea8 |
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 | iXILYIQfBBbum59FpAjWG/tIw++p89XQswIlRxRfNZZJIO1/3gEt2Bun3xQEsejE1DUswrl9VVj19PIi5xuzAg== |
| 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
| 2026-09-17T11:20:09.952731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040821observed 448fea7ea89c1337517a05653303466a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:20:09.934830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040821/manifest.jsonobserved fd033d94110253ecfc380e23ed9d9b89...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:20:09.917540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040821/publication.mdobserved 5f0c6f6ea613a641eb66662e05882ddf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:20:09.899390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040821/publication.txtobserved 90d8ad904938becadd408eeb61270090...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:18:35.909221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040821observed 448fea7ea89c1337517a05653303466a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:18:35.890705Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040821/manifest.jsonobserved fd033d94110253ecfc380e23ed9d9b89...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:18:35.873942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040821/publication.mdobserved 5f0c6f6ea613a641eb66662e05882ddf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:18:35.855689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040821/publication.txtobserved 90d8ad904938becadd408eeb61270090...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. |
|---|