OpenTechnical

OT-2026-000025104

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single 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-2026-000025104) never changes.

Identity and time

Publication numberOT-2026-000025104 · never reused
Internal UUID01a0ae71-5fa5-7bf4-9e49-9dced8cf20a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025104
StatusPUBLIC

Content hashes

Canonical textf2e2eca84f4746926a5b90f5bdaaab194b3a9c021e8eb4f31bd3e3efa04a4408
Markdownb6dade8eb194f9420ad3cfbf148bbe9096269fa70d2670e432b11ed068346d9a
PDF
Publication page79d8bdadd17e70b46676c1c9d967358dbf628cff89138216bb342d0bf9f1fbfd
Manifest4e48d3a0259e7fbc23743638042874b58d3658cad1f6ea41b99f75d7d835aa1c

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
SignatureIQgTX5dNsTm6Ck/sw5pDhw+RP4JO/PtralkRIzxE0f3rkSIn5e9c0HAvlKqGJFKguV/BHrbwpqfENRLFiUOgCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:58.445137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025104
observed 79d8bdadd17e70b46676c1c9d967358d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:58.426847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025104/manifest.json
observed 4e48d3a0259e7fbc23743638042874b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:58.408657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025104/publication.md
observed b6dade8eb194f9420ad3cfbf148bbe90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:58.327710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025104/publication.txt
observed f2e2eca84f4746926a5b90f5bdaaab19...
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.