OpenTechnical

OT-2026-000073312

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000073312) never changes.

Identity and time

Publication numberOT-2026-000073312 · never reused
Internal UUID01a0ae92-efb7-74bf-abff-ea308af3cc58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073312
StatusPUBLIC

Content hashes

Canonical text2d76fa8711464963fb24df72389d64764a5d3ddd0014a17ea76d6377b6b7054d
Markdown3602cd43bb3e8ab2218f8d8f13c6b1a18129dd747259aae2547e8e829e71fd49
PDF
Publication pagef4dea437aee662974f75747ef795f18369f075cfe501eced61510feaac1b58c6
Manifest7ed4daf82485cff79f95fb66a674763770d74a9f05b8ab48130b1b2ed8c1cad2

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
Signature3YgX54vALiCQIqpwN9Oo8snYLdVgx2PCGDp4kmja7cX7GqFEKVTg3zXtxenCF1i0A50tpPofPlhd0nllTpvPBg==
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

2026-09-17T10:21:19.444430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073312
observed f4dea437aee662974f75747ef795f183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.424113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073312/manifest.json
observed 7ed4daf82485cff79f95fb66a6747637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.405154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073312/publication.md
observed 3602cd43bb3e8ab2218f8d8f13c6b1a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.386865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073312/publication.txt
observed 2d76fa8711464963fb24df72389d6476...
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.