OpenTechnical

OT-2026-000050969

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000050969) never changes.

Identity and time

Publication numberOT-2026-000050969 · never reused
Internal UUID01a0ae82-c7b4-7658-b8f9-dca874cdc5d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050969
StatusPUBLIC

Content hashes

Canonical textc86c1bdae6558864edd183bc3ed56939c4519184c4bd4d618862ce7a51e75584
Markdowne07512afdb4a5d645cfba9d49c9b008cabebe449a239b4a5fd959c95db4de9a4
PDF
Publication page7f252c72bab3b5bae80200e5fe38fd6bb8a6ab7b9c59855dab0d9859db390735
Manifest716b0f92b7d493c02e87b786cd82f5b1617524c0ea1e6eb1e521d1145888f9ac

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature9F1bRYxXz8vZGfN5XI5Kk5YmuLKI/fzTjenTsYuff9c1MWUjCs39YV/6rcb7XGcVhCFPESEWnUuHZTcYNwz/Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:51.421136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050969
observed 7f252c72bab3b5bae80200e5fe38fd6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.401856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050969/manifest.json
observed 716b0f92b7d493c02e87b786cd82f5b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.381044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050969/publication.md
observed e07512afdb4a5d645cfba9d49c9b008c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.360890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050969/publication.txt
observed c86c1bdae6558864edd183bc3ed56939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.350572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050969
observed 7f252c72bab3b5bae80200e5fe38fd6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.328933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050969/manifest.json
observed 716b0f92b7d493c02e87b786cd82f5b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.309950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050969/publication.md
observed e07512afdb4a5d645cfba9d49c9b008c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:51.288677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050969/publication.txt
observed c86c1bdae6558864edd183bc3ed56939...
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 archivePending 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 packagePending Custody packages are produced weekly.