OpenTechnical

OT-2026-000039157

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000039157) never changes.

Identity and time

Publication numberOT-2026-000039157 · never reused
Internal UUID01a0ae78-9673-7169-bd1a-13a5fc5a34b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039157
StatusPUBLIC

Content hashes

Canonical text842bb0e546364a3ef23b246fc795db841009b0fbb43be77618cf201d5eeed5eb
Markdownf1df8a31ece01acfd127c54555da2c5d748eb91c221d01178e9fe5533fba2a71
PDF
Publication pageb9b705b56f710c0767155174b63d82c136031d6fc5f1a68e77ac0536b6e7a560
Manifest89f9f0d5537a3fb7b924cbc7f60df817ccecf1dd223de959f21877db8fb2b36a

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
SignatureCWzTmsGvYwfHogrcZQtmhkyt5GS6swGy/xezpjTAcVK+xTNDy95YUl+3aIouqhU5iwp9l/FOVPGXMG3Lc3FlDA==
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

2026-09-17T11:20:38.931242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039157
observed b9b705b56f710c0767155174b63d82c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:38.910692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039157/manifest.json
observed 89f9f0d5537a3fb7b924cbc7f60df817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:38.855725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039157/publication.md
observed f1df8a31ece01acfd127c54555da2c5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:38.805044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039157/publication.txt
observed 842bb0e546364a3ef23b246fc795db84...
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.