OpenTechnical

OT-2026-000057970

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000057970) never changes.

Identity and time

Publication numberOT-2026-000057970 · never reused
Internal UUID01a0ae88-6ed9-76ff-ade3-0a77b14fc288 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057970
StatusPUBLIC

Content hashes

Canonical text63468e73dc217a19f1a0a1b55b33646b00c53357ef9e298682707ba9ad5af9e3
Markdown63847a2370834e86c358dd5a36b21b6905ecb96d6ecaa8add354f9d34184773e
PDF
Publication pagea1840aedb0720035cf8e97b172ad5a6723dda1fa19d6ae18d88c989bf348426d
Manifest1a93c2cc99f170dfe05778b057ef9d5488c34e52808b02a62e14a02e57eea933

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
SignatureQvRHoaZwx7YjVBRBXEDLnYis06n1YNhdSsaShVzCh/EFY7b5CxlcOG1suB3fxCp+3I5BGAvXkQCmF2RQZVIuBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:35.534783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057970
observed a1840aedb0720035cf8e97b172ad5a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:35.517196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057970/manifest.json
observed 1a93c2cc99f170dfe05778b057ef9d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:35.497823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057970/publication.md
observed 63847a2370834e86c358dd5a36b21b69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:35.480783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057970/publication.txt
observed 63468e73dc217a19f1a0a1b55b33646b...
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.