OT-2026-000021091
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000021091) never changes.
Identity and time
| Publication number | OT-2026-000021091 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e5-79a5-81c3-d92ee0744b9d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021091 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9ed84014f156a2e920219494331a9d8a41ab4a1b9b90f5c7faff379fa7059809 |
|---|---|
| Markdown | 3ba62a6c5c45ef9812bd93e23ee4f9f8a8c6ebeb1147e9a04bf0ef5094cda743 |
| Publication page | 08fc7628fc600e070999a526756ca228cea574d27909ef9233f424b533c59960 |
| Manifest | ad2ae476b69e6fd7c9d1627a21472012db09c56976d47f91d283e440f139d5ef |
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 | sWb+DYhjdzgcR1gHuMzRRAqHXjm9jB6BUW1Ff11dTB6x1oFhPCZn75sJx0BA6s/44N4lI1g5QEMPVWXGMOtdDw== |
| 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
| 2026-09-17T11:56:22.791751Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021091observed 08fc7628fc600e070999a526756ca228...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:22.773362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021091/manifest.jsonobserved ad2ae476b69e6fd7c9d1627a21472012...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:22.753573Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021091/publication.mdobserved 3ba62a6c5c45ef9812bd93e23ee4f9f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:22.735919Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021091/publication.txtobserved 9ed84014f156a2e920219494331a9d8a...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. |
|---|