OpenTechnical

OT-2026-000076011

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000076011) never changes.

Identity and time

Publication numberOT-2026-000076011 · never reused
Internal UUID01a0ae94-2a00-71b1-833b-5b77fe74201b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076011
StatusPUBLIC

Content hashes

Canonical text64ca0101aa8278494f16c9252bf6c56d5069ba5d7bfaaeb5e250efc61a1517ab
Markdown695b0c4eaafbd4aefa28c4aa255d824bb52e4e2271f202f146cff2ccf1fed0ba
PDF
Publication pagef1f7e3ca4e4f34b8a6e21a6fc5f0ec187e3fb5009eef6fa2a2d6ed770ae52a68
Manifest6cb5fb50b39968609e76d6d746e93c8ed16ba91f84f1571b1916d93cf88a73c8

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
Signature46+jh7Y9QU516xJtSYCJZndyCoHgr5YwhtLqlRWEfWdlOLf2qPk3u0gDJlC7p2VKYQsGWDjES2j7eu2cGYurAQ==
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

2026-09-17T10:20:15.821633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076011
observed f1f7e3ca4e4f34b8a6e21a6fc5f0ec18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.802469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076011/manifest.json
observed 6cb5fb50b39968609e76d6d746e93c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.782968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076011/publication.md
observed 695b0c4eaafbd4aefa28c4aa255d824b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.762007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076011/publication.txt
observed 64ca0101aa8278494f16c9252bf6c56d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:07.518503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076011
observed f1f7e3ca4e4f34b8a6e21a6fc5f0ec18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:07.500601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076011/manifest.json
observed 6cb5fb50b39968609e76d6d746e93c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:07.482951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076011/publication.md
observed 695b0c4eaafbd4aefa28c4aa255d824b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:07.466103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076011/publication.txt
observed 64ca0101aa8278494f16c9252bf6c56d...
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.