OpenTechnical

OT-2026-000007147

Publication integrity record

Vacuum cup gripper, per zone isolation, four outlet manifold, three stage ejector, polyurethane cups

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-2026-000007147) never changes.

Identity and time

Publication numberOT-2026-000007147 · never reused
Internal UUID01a0a974-5856-7f6a-a5f9-6c3a82841b35 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:02:49.433022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007147
StatusPUBLIC

Content hashes

Canonical text4aa8797970d18d8be0142813be46fc79ec7accfe5a1dd973476092c93a43f6e9
Markdown6659b176a4fdeb54a5a1834d723570f71a68be715e055f3c7b2590608dbfa8e5
PDF
Publication page3bf3e916bb1a7128040c5e421617ac6e3b4307779b435e96a4e815161b43bd21
Manifest90443c94dfb7c18f08361529d780c48958173e81ca6a5defd76113041d52b9b2

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
SignatureaQvhnwH/JvU/BxELtH2ONrwucFBV3Vy7Ar4GKPLZM51dnJ34iTVZPrB9OWlL2ale2urzd3wt82NZoj3Z7NE+CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:21.967704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007147
observed 3bf3e916bb1a7128040c5e421617ac6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:21.954751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007147/manifest.json
observed 90443c94dfb7c18f08361529d780c489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:21.939886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007147/publication.md
observed 6659b176a4fdeb54a5a1834d723570f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:21.927076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007147/publication.txt
observed 4aa8797970d18d8be0142813be46fc79...
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.