OpenTechnical

OT-2026-000042995

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000042995) never changes.

Identity and time

Publication numberOT-2026-000042995 · never reused
Internal UUID01a0ae7b-3277-719b-b9c3-7014c616ac8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042995
StatusPUBLIC

Content hashes

Canonical text41b171d446d31fd29f84ad7c2927227a8b35bdbe131bbdb4366fb26720980d9d
Markdown86d8e1cea81981705a297d642436241175737cbbc7a4e5a1064cb45694d8fbff
PDF
Publication pagedf9428fbfa5295f317700b603a2b6b0c03b148efdbbf9540f43d3909805f26ac
Manifestd7df742f997517c69e040ecec8ac5c87891a16ab7e2a420ee5c28ab2fdd825b4

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
SignatureE9P+AdeD5aidR925EmTzI8SEAZBMEZjC+hWyfw59UQExOoVg0sL5pGhIUFD2/huVgIBxDDOyr7J5AUGy33GZCQ==
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

2026-09-17T11:13:18.101795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042995
observed df9428fbfa5295f317700b603a2b6b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:18.081967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042995/manifest.json
observed d7df742f997517c69e040ecec8ac5c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:18.062702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042995/publication.md
observed 86d8e1cea81981705a297d6424362411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:18.043571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042995/publication.txt
observed 41b171d446d31fd29f84ad7c2927227a...
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.