OT-2026-000042544
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000042544) never changes.
Identity and time
| Publication number | OT-2026-000042544 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cd-75a9-bbe5-7810b462fbb9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042544 |
| Status | PUBLIC |
Content hashes
| Canonical text | b100311bb2eba67a0cb6844539cafd3aab9eb33cebeb11fc535b43a1da43ced7 |
|---|---|
| Markdown | 4e3e84d3eb938fca3f457e1f63c38617dcd3089bbc5dfd69f40fcf1d3ca3d7d4 |
| Publication page | 4de866b354c858e130c1627cee81bf8addc3ed97915de3da1ce827b763dac0e4 |
| Manifest | ba9e344a9b3897831d2a065445060a980bfdfa23e4c83858cd981543068d7044 |
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 | q5No0aeeU3vRdnPc4wf1yUUY3UQkDFy0Sv7WKplAMdaeeCvwF5R55JXpO39ekbeX2sW92S16ZnIMpUNSyPoUBQ== |
| 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
| 2026-09-17T11:14:14.896506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042544observed 4de866b354c858e130c1627cee81bf8a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:14:14.877439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042544/manifest.jsonobserved ba9e344a9b3897831d2a065445060a98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:14.858477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042544/publication.mdobserved 4e3e84d3eb938fca3f457e1f63c38617...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:14.839283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042544/publication.txtobserved b100311bb2eba67a0cb6844539cafd3a...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. |
|---|