OT-2026-000027779
Publication integrity record
Four bellows cup vacuum gripper, four zone face, pump fed, pulsed blow-off before 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-2026-000027779) never changes.
Identity and time
| Publication number | OT-2026-000027779 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a4a4-710b-a3e3-7f7ae0a36653 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027779 |
| Status | PUBLIC |
Content hashes
| Canonical text | 31c8a5529d7fee2660219e26a4346284c85efd588b411af03f80f7d422cffe9a |
|---|---|
| Markdown | f4ea0b1481f5002999483f09aaca7d4e416361e3dd2571a99b98c952f23e4112 |
| Publication page | c21476d1792d68cedcd5074c88aea5d6368bdf47f5eb5b9a8cdc199e7bc320c9 |
| Manifest | d79d303700b3468deca625bac9a090d3637de5a10423bc3c6cf9dc263a5fa774 |
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 | W9Il1MW91MzzYCwnQRbPXyemWf+kp9rTd5L+voL4VbAJ22koJbtXgilK1eO8ms+Tf6eDZYMYsILxnt7QJymoDQ== |
| 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
| 2026-09-17T11:41:49.480504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027779observed c21476d1792d68cedcd5074c88aea5d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:49.461222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027779/manifest.jsonobserved d79d303700b3468deca625bac9a090d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:49.442094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027779/publication.mdobserved f4ea0b1481f5002999483f09aaca7d4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:49.424080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027779/publication.txtobserved 31c8a5529d7fee2660219e26a4346284...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. |
|---|