OT-2026-000044752
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000044752) never changes.
Identity and time
| Publication number | OT-2026-000044752 · never reused |
|---|---|
| Internal UUID | 01a0ae7c-911a-793a-8901-c66f26ad8afd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:29:54.474009Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000044752 |
| Status | PUBLIC |
Content hashes
| Canonical text | c0d8e5f993bfb422785f8b738fcf23f73288a39b485a21c312cc3111ef342c56 |
|---|---|
| Markdown | 191ebe7325c52da9e08828385e5a9f9fbea5356b58cd99b65149bb423bf7127e |
| Publication page | db34b101f8cf5c3d4331daca88f762a3c58579c3940ab61e3c66a371b352b2a5 |
| Manifest | adfffc747cf707dc04abf037379ab021d04092d9274a38be79fe99e7be80d7d7 |
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 | gDK2wvU3+nr0DZBH2QlPDeE9hEpbCviSslWKG2Vpy3zCQ/85cPz83PiE+AfYaaQQtZD1DKlITiAWxuc5BPaSAQ== |
| 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
| 2026-10-25T08:41:12.071337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044752observed db34b101f8cf5c3d4331daca88f762a3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T08:41:11.991272Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044752/manifest.jsonobserved adfffc747cf707dc04abf037379ab021...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T08:41:11.880461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044752/publication.mdobserved 191ebe7325c52da9e08828385e5a9f9f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T08:41:11.773210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044752/publication.txtobserved c0d8e5f993bfb422785f8b738fcf23f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:42.552445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044752observed db34b101f8cf5c3d4331daca88f762a3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:42.478699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044752/manifest.jsonobserved adfffc747cf707dc04abf037379ab021...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:42.387872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044752/publication.mdobserved 191ebe7325c52da9e08828385e5a9f9f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:42.278310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044752/publication.txtobserved c0d8e5f993bfb422785f8b738fcf23f7...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 |
|---|