OpenTechnical

OT-2026-000094552

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold 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-2026-000094552) never changes.

Identity and time

Publication numberOT-2026-000094552 · never reused
Internal UUID01a0ae9e-f4e9-77da-94e6-4943a2bd54e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:28.117587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094552
StatusPUBLIC

Content hashes

Canonical text2df1412ca6f2fc5bb52189c6452f23d40aa05540be5e15c88827bc1a88528600
Markdown47711eb8a80c6a1bcc37f8b79b9244dc92e012c35c8c228c1e43d466229d29aa
PDF
Publication page5c5b353ac79ceddd6f61262ea79c4523661ebf9e292cc27d72509f786661ca61
Manifest8af252efebdd7534c193c6e069a8a1b1a64bf27ba4fe7773d20735e65cf0ebd0

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
Signature6FEXksctXRrts3YuqPa3r4v/oLnyXKrmtyxrsCuTiE/LvAYH6gci0rgjk14ykQRADm6CLoMqN+ZJcivQXZJwCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:38:00.024087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094552
observed 5c5b353ac79ceddd6f61262ea79c4523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:59.939213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094552/manifest.json
observed 8af252efebdd7534c193c6e069a8a1b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:59.923428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094552/publication.md
observed 47711eb8a80c6a1bcc37f8b79b9244dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:59.900818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094552/publication.txt
observed 2df1412ca6f2fc5bb52189c6452f23d4...
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.