OpenTechnical

OT-2026-000085406

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000085406) never changes.

Identity and time

Publication numberOT-2026-000085406 · never reused
Internal UUID01a0ae99-aaab-72d9-9cd1-46ead5459f2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085406
StatusPUBLIC

Content hashes

Canonical text4b493ae02ada43f30465ea823cfb509ebdc7b1f78221dd84ff66409a277666c3
Markdownf0071a6116f072f3ccf73d65a25cfb9cd472e77fbcad00beec664376401546ee
PDF
Publication pageb03899877864a3a28dc7c20c3ba4f28d225e100ea265d18245e5b075e98b00d4
Manifest317f72ed552f4c5f6f1336c01704de9921735efc606f334823b62e704bcba938

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
SignatureqYGp2+ttm8m6T9U1aPtu/XYnUHNDJjEKAkuGrIOmbGK1RezOoxn52q9ekXiLa+YsCFQE2KmjQTFJuIGaLGP3Cw==
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

2026-09-17T09:54:10.539590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085406
observed b03899877864a3a28dc7c20c3ba4f28d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:10.521218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085406/manifest.json
observed 317f72ed552f4c5f6f1336c01704de99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:10.503015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085406/publication.md
observed f0071a6116f072f3ccf73d65a25cfb9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:10.482803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085406/publication.txt
observed 4b493ae02ada43f30465ea823cfb509e...
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.