OpenTechnical

OT-2026-000074615

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold 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-2026-000074615) never changes.

Identity and time

Publication numberOT-2026-000074615 · never reused
Internal UUID01a0ae93-ac2a-7ed6-bd98-0d42d2f777d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074615
StatusPUBLIC

Content hashes

Canonical text748a4620c8a03042bbc1c7d36a039906a0bfc1c0557c30c3cca00c5ff5fdfa52
Markdown3a5eba7d43fb2ac55e638d0365c429668bd40ffab3a183c1df70a89d3d78fcad
PDF
Publication page18720ada91efdab4f47803a403eff15ae1282dcd1fa97a8887f5cedb4a3cd401
Manifest6aada382071d98e46941c8f15e99ce5084c8095c2cd9aa5b15553046a63e35b9

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
Signature1hJMhIoEYId/xae4ilMECLfogkGJbOx1cdzPy02UDZEO5TzsnnXKi+nC+43xqeZq0pK5Pq8pvWd5f+T2YIl0CQ==
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

2026-09-17T10:18:08.468501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074615
observed 18720ada91efdab4f47803a403eff15a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:08.450356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074615/manifest.json
observed 6aada382071d98e46941c8f15e99ce50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:08.305599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074615/publication.md
observed 3a5eba7d43fb2ac55e638d0365c42966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:08.283643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074615/publication.txt
observed 748a4620c8a03042bbc1c7d36a039906...
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.