OT-2026-000028376
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000028376) never changes.
Identity and time
| Publication number | OT-2026-000028376 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7c2d-9b50-cd294d867aeb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028376 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2f0376b019298a2cd2a6197f55869741f458a790753b82ae04589c666b45e066 |
|---|---|
| Markdown | 1af6207aa50732c06676305246e12560b6c084525c6ed3de0be806e677d41769 |
| Publication page | 578c0b4d96daebfa947d411d30ab596b4778e50032c77d34164f99209087ec7e |
| Manifest | 8adba93f06caacb6d78287aab1d121dc001b6a27caa20afd4b3992af87d78ed5 |
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 | WLyL+uJTvtUvbcr4/F134U80zWwloeD2ZFJsd6I9u1XPJQirbqqtrPF1XouLvboYqShh18vVZD4FH8hl6ZviCQ== |
| 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
| 2026-09-17T11:40:05.805272Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028376observed 578c0b4d96daebfa947d411d30ab596b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:05.784625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028376/manifest.jsonobserved 8adba93f06caacb6d78287aab1d121dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:05.760317Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028376/publication.mdobserved 1af6207aa50732c06676305246e12560...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:05.737938Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028376/publication.txtobserved 2f0376b019298a2cd2a6197f55869741...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. |
|---|