OpenTechnical

OT-2026-000081325

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000081325) never changes.

Identity and time

Publication numberOT-2026-000081325 · never reused
Internal UUID01a0ae96-f374-7c84-9084-b5f69d945bbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081325
StatusPUBLIC

Content hashes

Canonical text711c269e341947a6059f3ae1efb7ff5c825fe022d2179a6b54870e03fd2d5f9d
Markdown332ada02373c45d5a6db9740e8fc8f1485020994d4a32a3207fd8ad683806603
PDF
Publication page7425c518f3f673bb7b3270535b3a3ee9d3927018cd4d96afce31c6d4f1d7c418
Manifest04e9180cd9d89a6f0f4e7059e48eb662542259ed9a7671400fe8693e2187db84

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
SignatureI+Mh6AxSEppHKN6jH5mB2o8IWhJIXcqvcA8EMstIitr77hdtrOQSfpkwj6i9ISbaQV2CjeedqN/nkQXCnHgECQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:26.667499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081325
observed 7425c518f3f673bb7b3270535b3a3ee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:26.649874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081325/manifest.json
observed 04e9180cd9d89a6f0f4e7059e48eb662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:26.631449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081325/publication.md
observed 332ada02373c45d5a6db9740e8fc8f14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:26.612337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081325/publication.txt
observed 711c269e341947a6059f3ae1efb7ff5c...
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.