OpenTechnical

OT-2026-000055089

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000055089) never changes.

Identity and time

Publication numberOT-2026-000055089 · never reused
Internal UUID01a0ae86-5e81-7ada-bed2-f269be45b8b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055089
StatusPUBLIC

Content hashes

Canonical textc72ffed1bd64caaba6dd5ba510ea51bb8c81de31ebc473b98bef5238e5609f2e
Markdown3eabe10bdb3117de9dd8f05a9b356302d5db94430b0ac6b0b6beace13052d960
PDF
Publication page6bdde19cff8e3e4e95c93a83f02775306e2fb3fe777983a58bede2e18b26045a
Manifest2036aa860c2d0d1a109fdd73574436c3f673d1088518ddd3d825541ddf670a0c

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
SignaturezW7xT75VHCsPWHkrfAvFsnSg9DLq5FkHdvnLYPMI7humByw6plwifJvy195wTfbbYdHlFiYT3oYpgKYjnphhCg==
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

2026-09-17T10:53:14.803978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055089
observed 6bdde19cff8e3e4e95c93a83f0277530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:14.784393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055089/manifest.json
observed 2036aa860c2d0d1a109fdd73574436c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:14.765428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055089/publication.md
observed 3eabe10bdb3117de9dd8f05a9b356302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:14.746941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055089/publication.txt
observed c72ffed1bd64caaba6dd5ba510ea51bb...
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.