OpenTechnical

OT-2026-000072397

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000072397) never changes.

Identity and time

Publication numberOT-2026-000072397 · never reused
Internal UUID01a0ae92-89d7-74e9-af2d-dd45abb63ccb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072397
StatusPUBLIC

Content hashes

Canonical textb3104299ae5fa543d8402bbc6439ce1272c393c15215490bda78fc35bdbb24fe
Markdown2f736104239ae99bf3789ceb3bec153bf3f1f4096fff29f30e3c68aca9e86145
PDF
Publication page51b6e33c30260aac522281e6aaee2926c7de6e311e5729e20fc9cc597efd947d
Manifest3a72d292bed88aed20b77a9983b857ef963235ac8d0b71ad2e0ba766a5eefeb9

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
SignatureUi1Nd5wL9nOX91qTuCJnWFgAXZbDAziTc2VT+vG2Q7ivzSD/wCUqb647uk4Ift49LyB+LU5f2Ub8Zyx5gqisDA==
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

2026-09-17T10:22:12.431432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072397
observed 51b6e33c30260aac522281e6aaee2926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.413090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072397/manifest.json
observed 3a72d292bed88aed20b77a9983b857ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.394158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072397/publication.md
observed 2f736104239ae99bf3789ceb3bec153b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.375519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072397/publication.txt
observed b3104299ae5fa543d8402bbc6439ce12...
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.