OT-2026-000020311
Publication integrity record
Four cup vacuum gripper, four zone face, pump fed, 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-2026-000020311) never changes.
Identity and time
| Publication number | OT-2026-000020311 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7094-964e-dd976de3c102 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020311 |
| Status | PUBLIC |
Content hashes
| Canonical text | 57954c240ad5d6df537d553da6fa3cb9d0c2915d507f190e26685e12728f82bb |
|---|---|
| Markdown | 00d736d622e984428adb10c377cc94c9a4e06c294876580ee148b805d3a520d1 |
| Publication page | 7abe7b531bdf239e0b249a06cee95ff62d23bb32a9793a4183c40595fe697747 |
| Manifest | 24dbb29f9d5713ff9c37d5e6c6ed8167b4171e7220d516a933bfd208a78645a1 |
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 | jcBpL0P2dd+RjoMlZbhJeUpGaByILoX0CXK+YvZQtfoDp0SztkF3X/eM07bjxjCeA6MeEPkXZgLGAm6SyTN8Aw== |
| 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
| 2026-09-17T11:56:40.912406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020311observed 7abe7b531bdf239e0b249a06cee95ff6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:40.892917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020311/manifest.jsonobserved 24dbb29f9d5713ff9c37d5e6c6ed8167...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:40.874051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020311/publication.mdobserved 00d736d622e984428adb10c377cc94c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:40.855723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020311/publication.txtobserved 57954c240ad5d6df537d553da6fa3cb9...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. |
|---|