OpenTechnical

OT-2026-000080820

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented after 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-2026-000080820) never changes.

Identity and time

Publication numberOT-2026-000080820 · never reused
Internal UUID01a0ae96-b974-7113-99b2-fa9591bcc037 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080820
StatusPUBLIC

Content hashes

Canonical text1480b52e3d08379409af2371c5a7b5bdb9197a218f84290b7b4dd5340f8ed644
Markdown1e9681cbaf18b90987e3ab1544aee68366b3a3e09d1426b4d09bac84f58b58f3
PDF
Publication page646b748102248700f3e7ce082f4bf74081fc36a5ebe1ff4030cbcaa3e5418007
Manifestae5e2b651f4b91b1ff23b03d1345b2a88e3c142d8aa55a02e2aefd52ae4128f5

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
SignatureZWLhNa+w52k05g25ZCEpE/jpUy4WlupA3PSftT8osDslNk7YnqrFP3WLG5mh7UoKCZDnXut4NLu7KSfMgD9DAQ==
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

2026-09-17T10:02:00.243280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080820
observed 646b748102248700f3e7ce082f4bf740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:00.224902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080820/manifest.json
observed ae5e2b651f4b91b1ff23b03d1345b2a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:00.206790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080820/publication.md
observed 1e9681cbaf18b90987e3ab1544aee683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:00.188586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080820/publication.txt
observed 1480b52e3d08379409af2371c5a7b5bd...
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.