OT-2026-000012548
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000012548) never changes.
Identity and time
| Publication number | OT-2026-000012548 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-39f7-7341-aaa4-0bc8e9512b0f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:08.998406Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012548 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4ecfda19b4c3008d59bb5f6c5268a120e03b19dafda3c3842c28f3f1bc00064e |
|---|---|
| Markdown | b6784712c2d5fc877c0bdfdd2e680f30cc6b11648a9b573ed635ee178decadea |
| Publication page | 0e59ea1bb18ca6c6d19cb2d555725c64dc88064a19f9b819fd949d5eee8d7080 |
| Manifest | b6ed400376eef03934e78014acc6a8c2640faf7d377a0286d60c1f6ab322b8e1 |
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 | MBLGKG8sflPUMKpFmX61+2sKjJMroonSJnKZs77o3sZxK+oPYPu/Dt1DGE85O9N5FLBawzc4N4n9Dn8Xd1srBA== |
| 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
| 2026-10-31T08:41:03.580573Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012548observed 0e59ea1bb18ca6c6d19cb2d555725c64...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T08:41:03.515816Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012548/manifest.jsonobserved b6ed400376eef03934e78014acc6a8c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:41:03.464532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012548/publication.mdobserved b6784712c2d5fc877c0bdfdd2e680f30...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:41:03.354523Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012548/publication.txtobserved 4ecfda19b4c3008d59bb5f6c5268a120...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:44.381459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012548observed 0e59ea1bb18ca6c6d19cb2d555725c64...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:44.302502Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012548/manifest.jsonobserved b6ed400376eef03934e78014acc6a8c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:44.226709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012548/publication.mdobserved b6784712c2d5fc877c0bdfdd2e680f30...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:44.147561Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012548/publication.txtobserved 4ecfda19b4c3008d59bb5f6c5268a120...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|