OpenTechnical

OT-2026-000025908

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000025908) never changes.

Identity and time

Publication numberOT-2026-000025908 · never reused
Internal UUID01a0ae71-a83f-7b5b-b9b6-4f4758eec530 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025908
StatusPUBLIC

Content hashes

Canonical textb181230fcdd2a44bb3a29190da527597a7ea1cccacb7d501ca8a8548b5dbdb6e
Markdown73919f3288b202434964f81721685d246d8b823980ccbe5a6a7d9680a8f7fcb1
PDF
Publication page8b5548f5e1add4f50ef95010f23251cf44fe027fc51c144281723344a2f011b5
Manifest1259ba02bed7090e8db033adca779add7fee35cb7db94ee5530dd2c93ecc948f

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
Signaturel+HkPCMzx7C7fwZTj8EzXVRjU+Rk51m392xobCHzikA8vyf+qqFVThjT5wC1u2+ywMrxp0/Izu1N2t0rztUIBw==
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

2026-09-17T11:46:15.480679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025908
observed 8b5548f5e1add4f50ef95010f23251cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.463310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025908/manifest.json
observed 1259ba02bed7090e8db033adca779add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.445437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025908/publication.md
observed 73919f3288b202434964f81721685d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.427385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025908/publication.txt
observed b181230fcdd2a44bb3a29190da527597...
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.