OpenTechnical

OT-2026-000077004

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000077004) never changes.

Identity and time

Publication numberOT-2026-000077004 · never reused
Internal UUID01a0ae94-b071-7f50-8446-1d1c158f9c96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077004
StatusPUBLIC

Content hashes

Canonical text6bf256d3e2b11679a183a497066148ed3a0d724c75672a1b1b7d74eeb6c22042
Markdown3c78ce5b8c40ec07e38f45beb7e6f04f0562224443ed2762cd1138c90f5d5121
PDF
Publication page86dc9a895e792a3334f1506dad8b165128013f7b504104791b48433d43a0b83b
Manifest3099d8c0b0bf37f194e0892fdc866f1f4e2da00faca44984709d2acb9f621c94

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
SignatureRg+x2S6CvP/HtfTPdJEM1JPZq+yaNbp26BaR4StDMhm/oPQuEgz7wq+JW0tlncC6VM7xzX7e4sEh21aYCksOCQ==
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

2026-09-17T10:10:21.474371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077004
observed 86dc9a895e792a3334f1506dad8b1651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:21.448473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077004/manifest.json
observed 3099d8c0b0bf37f194e0892fdc866f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:21.043170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077004/publication.md
observed 3c78ce5b8c40ec07e38f45beb7e6f04f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:21.024792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077004/publication.txt
observed 6bf256d3e2b11679a183a497066148ed...
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.