OT-2026-000025297
Publication integrity record
Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000025297) never changes.
Identity and time
| Publication number | OT-2026-000025297 · never reused |
|---|---|
| Internal UUID | 01a0ae71-5fa6-7fae-a239-7c0a3483fbda · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:17:40.790954Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000025297 |
| Status | PUBLIC |
Content hashes
| Canonical text | 206a25580fdee846feb459dd0b3b01b924a4ee743452d154500d37d943fe5865 |
|---|---|
| Markdown | 7f3bb877b5f7951dcd4cbb4c58065cb6efdc868276a154ada113adc5418d0ce3 |
| Publication page | 06f207a35fd60efe29fd60836f38f2d8b5c4d1c76cbadcff8979fda5cfe7c52b |
| Manifest | ce9bd0cc994a1765c1563722f6b34cad0a437b5902ab003d51d400a70ec67ec7 |
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 | bFGFouTub23v8a6nll8tFPcxe4yJTYNDL7vGi1BhwBkld6OmAKBlXEarRiWSKorbZkpqRdcYIzjDGH8pQj9/DQ== |
| 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
| 2026-10-16T00:41:59.103710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025297observed 06f207a35fd60efe29fd60836f38f2d8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T00:41:59.015073Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025297/manifest.jsonobserved ce9bd0cc994a1765c1563722f6b34cad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:58.907727Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025297/publication.mdobserved 7f3bb877b5f7951dcd4cbb4c58065cb6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:58.757000Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025297/publication.txtobserved 206a25580fdee846feb459dd0b3b01b9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:37.241547Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025297observed 06f207a35fd60efe29fd60836f38f2d8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:37.190485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025297/manifest.jsonobserved ce9bd0cc994a1765c1563722f6b34cad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:37.125166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025297/publication.mdobserved 7f3bb877b5f7951dcd4cbb4c58065cb6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:37.059246Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025297/publication.txtobserved 206a25580fdee846feb459dd0b3b01b9...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|