OpenTechnical

OT-2026-000097724

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line 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-2026-000097724) never changes.

Identity and time

Publication numberOT-2026-000097724 · never reused
Internal UUID01a0aea1-92f5-7007-9149-130d5df1bc32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097724
StatusPUBLIC

Content hashes

Canonical text158c4f7194b296e7e71b78dec730dec0db6f6204f46ffb0d45037509d9e0f951
Markdownf0bd54bdb6249e0362da446eb15bef0b386e76c3b49da273f91a7c3a83acd992
PDF
Publication page77c2947c19d78cadb0a9e7f081d1d0da0b4f4d7116f3db0d31f434040516c246
Manifest0d6d03844845890091d5103355b4f896829d99a5aa70fca32996ec59d82c078d

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
Signaturewv2gs+6nKVAhMF6RaFEshu8P7VkKyDUwcWqam51nMAuhND6cxC7luYrGGVSqv+JgXRtL6JbUSxKW0IA/mDvoDA==
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

2026-09-17T09:32:45.343299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097724
observed 77c2947c19d78cadb0a9e7f081d1d0da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.326024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097724/manifest.json
observed 0d6d03844845890091d5103355b4f896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.307844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097724/publication.md
observed f0bd54bdb6249e0362da446eb15bef0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.290892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097724/publication.txt
observed 158c4f7194b296e7e71b78dec730dec0...
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.