OpenTechnical

OT-2026-000056007

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000056007) never changes.

Identity and time

Publication numberOT-2026-000056007 · never reused
Internal UUID01a0ae87-0a4a-7d7e-8871-03827242f002 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056007
StatusPUBLIC

Content hashes

Canonical text9ed50dbaeafdd9c656282022e16730df09e58a999695064dee43080dd4812b8e
Markdownc332e5e691e0d29cfa595a5fd33a2c5d9f71da47bbf7c5f0b730e795867c48be
PDF
Publication pageeaacfaf88e8044b391d7e98baf0ad42ae70326495ef7b054bcc1769589fa8d18
Manifest97385a2901b451fe62942f1383821e2d0538f472ab2570930f51ac305d017963

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
SignatureuMhsf86e//OLMQSy0Xe53jZCMUqKzHZfukW24W+5g6RumW3jYpFr0BwoSZ1UJuUFXh8CUJ0bYnTo71Zuqo71Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:32.004565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056007
observed eaacfaf88e8044b391d7e98baf0ad42a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.987650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056007/manifest.json
observed 97385a2901b451fe62942f1383821e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.971169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056007/publication.md
observed c332e5e691e0d29cfa595a5fd33a2c5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.954192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056007/publication.txt
observed 9ed50dbaeafdd9c656282022e16730df...
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.