OpenTechnical

OT-2026-000099292

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single 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-2026-000099292) never changes.

Identity and time

Publication numberOT-2026-000099292 · never reused
Internal UUID01a0aea2-8289-725b-adbd-c863fa8bcc04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099292
StatusPUBLIC

Content hashes

Canonical text0afa4a72f2e498bae1756aef5df183c4d699c90fb2498c34c85b52ba73f68287
Markdown762a7001abd67262bef8a3f8dd9dc0969eef7a13714bc224ce1655cf17aae93e
PDF
Publication page93b2931fd5f06b361e536003c1b68ec1b9f2b52fa8d73b7939d32f7c4772df74
Manifest845c788aa02850af69ba65ce19ab159bb9a3b0fbead2f941f57dc474873f8d9e

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
SignatureUA3Fo0u9MiJxqTmkwZLOewQojrUxOTxDknaO8Eum8pHLUmD+jpycRXeCB3MAL1VqUwYghCUv1rSyUv2xquLdAg==
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

2026-09-17T09:30:45.194198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099292
observed 93b2931fd5f06b361e536003c1b68ec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:45.177298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099292/manifest.json
observed 845c788aa02850af69ba65ce19ab159b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:45.159960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099292/publication.md
observed 762a7001abd67262bef8a3f8dd9dc096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:45.141723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099292/publication.txt
observed 0afa4a72f2e498bae1756aef5df183c4...
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.