OT-2026-000039856
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000039856) never changes.
Identity and time
| Publication number | OT-2026-000039856 · never reused |
|---|---|
| Internal UUID | 01a0ae78-d8d6-7f9b-baa6-00430e52e2c4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:25:50.683051Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000039856 |
| Status | PUBLIC |
Content hashes
| Canonical text | decb95e45c9b653fdea3aac5a0c318772d80291b316d3d2551ca067d1620611e |
|---|---|
| Markdown | 136e32fb5980298a9bd2f67074f25272c552eb2d951cacfeaf01988d9a11782f |
| Publication page | fca446d71501de66e709608bd04b163ff6266bec80709f56c594b9a81a3b8ad9 |
| Manifest | cdc071b99623692975b82d2a86bf1bc32c103987a1d2b5ca8f11f65c77204492 |
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 | 5EBhM1vvjl6Nm5slATJ2QTOExTD8vKUa6HecHhVvKOjpL8o1qyB6D/8Nm6X2C8KAZ7+vslo0sxGchVC+JGDnCQ== |
| 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
| 2026-10-31T16:41:30.723523Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039856observed fca446d71501de66e709608bd04b163f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T16:41:30.672433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039856/manifest.jsonobserved cdc071b99623692975b82d2a86bf1bc3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T16:41:30.594607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039856/publication.mdobserved 136e32fb5980298a9bd2f67074f25272...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T16:41:30.489988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039856/publication.txtobserved decb95e45c9b653fdea3aac5a0c31877...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:15.134782Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039856observed fca446d71501de66e709608bd04b163f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:15.041749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039856/manifest.jsonobserved cdc071b99623692975b82d2a86bf1bc3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:14.975496Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039856/publication.mdobserved 136e32fb5980298a9bd2f67074f25272...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:14.892835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000039856/publication.txtobserved decb95e45c9b653fdea3aac5a0c31877...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 |
|---|