OT-2026-000049184
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000049184) never changes.
Identity and time
| Publication number | OT-2026-000049184 · never reused |
|---|---|
| Internal UUID | 01a0ae81-134e-757f-a33f-a0aca3f9bee3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:34:49.967260Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049184 |
| Status | PUBLIC |
Content hashes
| Canonical text | 889f52b3de2009b2d021f5c5fafb2b155965c606b61f3286811717e326080bb0 |
|---|---|
| Markdown | 970952446bc8e34080b0e0abdf0767e79226ce5d2ca51350838cc812a89f0654 |
| Publication page | 1b1dc88aac6fca04b878ee859d5339f8738715bee9c3bf37a851b1a72e26a237 |
| Manifest | 4050e790aabc2883fe5d88fd7dde7707433eb8779ddc2da337de1b4fd84440ea |
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 | b0yB6jsKRIcx9ypuJ+l5CZ6EteywicQfj3xt21ybH4P2ebMUXFDxRZW9KrdSq/O/s2bqSbqfK2hIgBp9Y3TfCQ== |
| 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
| 2026-10-13T12:42:06.286787Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049184observed 1b1dc88aac6fca04b878ee859d5339f8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T12:42:06.235316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049184/manifest.jsonobserved 4050e790aabc2883fe5d88fd7dde7707...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T12:42:06.146670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049184/publication.mdobserved 970952446bc8e34080b0e0abdf0767e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T12:42:06.062405Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049184/publication.txtobserved 889f52b3de2009b2d021f5c5fafb2b15...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:24.055761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049184observed 1b1dc88aac6fca04b878ee859d5339f8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:24.003176Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049184/manifest.jsonobserved 4050e790aabc2883fe5d88fd7dde7707...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:23.945457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049184/publication.mdobserved 970952446bc8e34080b0e0abdf0767e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:23.866910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049184/publication.txtobserved 889f52b3de2009b2d021f5c5fafb2b15...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 |
|---|