OpenTechnical

OT-2026-000020126

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000020126) never changes.

Identity and time

Publication numberOT-2026-000020126 · never reused
Internal UUID01a0ae6f-4378-78f9-85e4-9ec62270219a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020126
StatusPUBLIC

Content hashes

Canonical textcd146f1e7774a2e72e0dd69906271096c7b4fb78eb952e4400a49becb4bba1d1
Markdown1c2d772157a469db978014bc1aa9ddf8aad53e3d390df01b188717ee93214a6a
PDF
Publication page769ccb20a15e828004da227bf1cd226bbe5f0e9729db99115f722ff8a2435d1c
Manifestee03ef23a039eba0b61c3138bcdc0d1cfb4aa9906b67f21d612192e52c77f901

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
Signature3ZW+R9FZhkDy22b8O58O5rxIEUJlK1EYzIEIbkVBfxZTKiR0LRBbmIk4M/tw2F2kpeFaRUwX1KukQ4QnMNwkCw==
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

2026-09-17T11:56:25.927627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020126
observed 769ccb20a15e828004da227bf1cd226b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.909621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020126/manifest.json
observed ee03ef23a039eba0b61c3138bcdc0d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.892911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020126/publication.md
observed 1c2d772157a469db978014bc1aa9ddf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.874965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020126/publication.txt
observed cd146f1e7774a2e72e0dd69906271096...
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.