OpenTechnical

OT-2026-000074536

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line 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-2026-000074536) never changes.

Identity and time

Publication numberOT-2026-000074536 · never reused
Internal UUID01a0ae93-717b-7440-8d99-72297f00b87f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074536
StatusPUBLIC

Content hashes

Canonical textd2b0f17155b86c955559b8006bd166f42382357615a413b2b975f055daff3f66
Markdown3b6b34f5ca6c49420a65db526c72b97b6cebc6440d45c4ea4dd5e68686027e7c
PDF
Publication page74981c8f7726191c0b315978a71908e37411f39bb965f6aa91067c679294574c
Manifest45b67c93b6ab7d1ee2f34377d33be31885f2539cb18969004bead266113d2796

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
SignatureSr9NRdrEUJ5Lu19wejHY8WBv0bFgmf2IwNMQprLw/XDZGTw9N3b59rY1QJ+C8AZ56eEHiUMqwzZYfpr7RueqBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:31.056374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074536
observed 74981c8f7726191c0b315978a71908e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:31.036628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074536/manifest.json
observed 45b67c93b6ab7d1ee2f34377d33be318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:31.017481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074536/publication.md
observed 3b6b34f5ca6c49420a65db526c72b97b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:30.998195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074536/publication.txt
observed d2b0f17155b86c955559b8006bd166f4...
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.