OpenTechnical

OT-2026-000089892

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000089892) never changes.

Identity and time

Publication numberOT-2026-000089892 · never reused
Internal UUID01a0ae9c-428d-7dc6-9dc6-353591557f5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089892
StatusPUBLIC

Content hashes

Canonical text3cd94c8abe8824cf220e0f75c811e0eb8086530ef85e8cce83ba63ff9946eae7
Markdown1bb83429f22428fab94be3690e46d65d64d920077c1a594a7a2a5f449906c656
PDF
Publication page6339128e7ad262a39c7c0d391721ad7048795356653e59e72ff22f3f5a568c31
Manifest6a95df6734c5b2ffc360f011c5ac7554351499792ed1de8c7a986d0865df4269

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
SignaturedSeIKYekRJ/YdhYenLf+8QVr5cMCP5r/7lc5cqHOXXcBOyw2ojryiN3y7O4/A1cPutReV6zaZFp89PryMBmgCg==
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

2026-09-17T09:45:09.455751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089892
observed 6339128e7ad262a39c7c0d391721ad70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:09.435814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089892/manifest.json
observed 6a95df6734c5b2ffc360f011c5ac7554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:09.418537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089892/publication.md
observed 1bb83429f22428fab94be3690e46d65d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:09.400049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089892/publication.txt
observed 3cd94c8abe8824cf220e0f75c811e0eb...
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.