OT-2026-000021429
Publication integrity record
Single cup vacuum gripper, two stage ejector, 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-2026-000021429) never changes.
Identity and time
| Publication number | OT-2026-000021429 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-70d5-8dc1-f11f59bbabe7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021429 |
| Status | PUBLIC |
Content hashes
| Canonical text | aa4aacf0d3542aa0e434499b2bf6d1679a632ac96eb47cac2a950e8171364280 |
|---|---|
| Markdown | 0708ed01539feea0841d642c0a37aebba75f25c3a970f6822c5588c38e8d9d8b |
| Publication page | c686d63040ea67599cbcd1b39facdb5c50547d99a43d5f0b0bf3599ba4867e68 |
| Manifest | 08490b11309c090df9c36a425da5de28d86be29ed7d4bc5321af6b3c1dfbddac |
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 | arnWlvpZeSskUAAyZxRc8DQSng2hH2T47/1JxWCd9+Tft7D/KmlX6aHLczaQXtQw2jAXeeQ66VUCmT7a8IbdAQ== |
| 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
| 2026-09-17T11:55:20.085457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021429observed c686d63040ea67599cbcd1b39facdb5c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:20.066678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021429/manifest.jsonobserved 08490b11309c090df9c36a425da5de28...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:20.049316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021429/publication.mdobserved 0708ed01539feea0841d642c0a37aebb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:20.017855Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021429/publication.txtobserved aa4aacf0d3542aa0e434499b2bf6d167...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. |
|---|