OT-2026-000057444
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000057444) never changes.
Identity and time
| Publication number | OT-2026-000057444 · never reused |
|---|---|
| Internal UUID | 01a0ae87-d5c7-7174-bcdf-84d7ff1fbfef · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:12.973410Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057444 |
| Status | PUBLIC |
Content hashes
| Canonical text | 427372a9309080fda5b87f194710b00039034559223c6c05dfa5b5f6a1e39474 |
|---|---|
| Markdown | 0e22bcd7100d8e2892bb930bb4440e44889d3aee925fab043d0bf464df2bdfa1 |
| Publication page | 6e4fc7feef63d5cb66c4a36cbdbebedb2d154d66f5e86d51f961cd9cf31c5b0d |
| Manifest | b32fa04e1e42e529fa01bb559e5debf84e7681eac31900046fcd1a66e6025b9d |
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 | YjQfW4gDVxvtSusLt7BPptNv6jwrhvEJMREZEvyAh9PvsENf6BbOvYr0dwRVrFMEQXXOUIrcAA1iF2KlMAt9Dw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:49:44.381025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057444observed 6e4fc7feef63d5cb66c4a36cbdbebedb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:49:44.362196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057444/manifest.jsonobserved b32fa04e1e42e529fa01bb559e5debf8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:44.344004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057444/publication.mdobserved 0e22bcd7100d8e2892bb930bb4440e44...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:44.326050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057444/publication.txtobserved 427372a9309080fda5b87f194710b000...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. |
|---|