OT-2026-000023492
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000023492) never changes.
Identity and time
| Publication number | OT-2026-000023492 · never reused |
|---|---|
| Internal UUID | 01a0ae70-7269-7aba-a020-52d3b9502def · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:40.056870Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023492 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5b932c8b4e8292f94cfe0c1818a796a025fcab80fe43392de769e7716a6370e8 |
|---|---|
| Markdown | bf5989c6c170c8e7aab7a204f52a4258f87aa28340b15da6197ff6155e65ecca |
| Publication page | 938b36d7b84cf5ce739ebdc15f6a496b29473d894a72188586375fe4594439d6 |
| Manifest | dca8bc57b7644069aef3b457c2e99e33eed4b7493decef14a3dade88409e8f3b |
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 | C0LTeNznBSzdDqpA46abQjxCCZCEG08OIpyIRIVqNERxCa6Cur/T+ueOeFPznynGIa4Xrq3Rzh0YmpCBx6aaAg== |
| 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
| 2026-10-30T20:41:38.445760Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023492observed 938b36d7b84cf5ce739ebdc15f6a496b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T20:41:38.397873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023492/manifest.jsonobserved dca8bc57b7644069aef3b457c2e99e33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T20:41:38.333475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023492/publication.mdobserved bf5989c6c170c8e7aab7a204f52a4258...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T20:41:38.271287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023492/publication.txtobserved 5b932c8b4e8292f94cfe0c1818a796a0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T00:41:40.564779Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023492observed 938b36d7b84cf5ce739ebdc15f6a496b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T00:41:40.484483Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023492/manifest.jsonobserved dca8bc57b7644069aef3b457c2e99e33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T00:41:40.416486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023492/publication.mdobserved bf5989c6c170c8e7aab7a204f52a4258...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T00:41:40.332490Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023492/publication.txtobserved 5b932c8b4e8292f94cfe0c1818a796a0...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 |
|---|