OpenTechnical

OT-2026-000095973

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000095973) never changes.

Identity and time

Publication numberOT-2026-000095973 · never reused
Internal UUID01a0ae9f-fac8-7276-947e-27d8edd260ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095973
StatusPUBLIC

Content hashes

Canonical text513ff48fc7b41bb2a639a4935c4806df1f16c1fedb2a0917f55e1a2cdffa8e02
Markdownaf800f80514c7dcab83ab497147c4cdd22655ba6a028738f70738311fa5b6584
PDF
Publication pagec847805fa26cf8fa845f90a542fcd184ad8a01f569c485946b110aeeb39edd18
Manifest66cd39f3461d00b9e7f8a398ee4f1acee1744319c05361752c11d313f6d5bdd4

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
Signature04rwtDKb7EyXfiCyQso8LEE2MOrvdq+Hg/WrsnA8aUr0RBPuFsUPJYb/bdfFZadFfnzoxatZEDldj7wlMFsnCg==
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

2026-09-17T09:36:05.609535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095973
observed c847805fa26cf8fa845f90a542fcd184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:05.591998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095973/manifest.json
observed 66cd39f3461d00b9e7f8a398ee4f1ace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:05.574362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095973/publication.md
observed af800f80514c7dcab83ab497147c4cdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:05.557768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095973/publication.txt
observed 513ff48fc7b41bb2a639a4935c4806df...
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.