OT-2026-000078940
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000078940) never changes.
Identity and time
| Publication number | OT-2026-000078940 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbe-71d9-a02c-51fffb918495 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078940 |
| Status | PUBLIC |
Content hashes
| Canonical text | ec29f1ebd0d4d79788d5c17160777573422bc8c7198d43344371f3a52891016c |
|---|---|
| Markdown | e64f54fcf473fd0b9e0b85a3ac72987f2e882dfb584a3b4ba7abff81991add14 |
| Publication page | ac5dc21d5e4136985bcaf03af49ccff37f48922c96bfd2fc705dae86b02325b7 |
| Manifest | aea9295e4d39fc9df9f72681691ba13415f7a23375c67965250751c3e4371292 |
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 | +9o1pZD9DsHwtbMwPPnT7X56r5yWDlpvo7ZeC9naA+H4JvVHKKwB/y37wl2LNIMtbOes97z0JFGjW8B/MXOfDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:05:22.839283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078940observed ac5dc21d5e4136985bcaf03af49ccff3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:22.819671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078940/manifest.jsonobserved aea9295e4d39fc9df9f72681691ba134...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:22.800395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078940/publication.mdobserved e64f54fcf473fd0b9e0b85a3ac72987f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:22.780523Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078940/publication.txtobserved ec29f1ebd0d4d79788d5c17160777573...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. |
|---|