OpenTechnical

OT-2026-000072054

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000072054) never changes.

Identity and time

Publication numberOT-2026-000072054 · never reused
Internal UUID01a0ae92-47c1-76c9-8b57-37a81f19f15d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072054
StatusPUBLIC

Content hashes

Canonical textcbc8c1108eb1dd92062f59a5b60f16369a9bff5f4d104deb5d17b33ef0b2f1a7
Markdown7d9548d1eb9d6c3955f1227f5f13e27132d250c70db087559107487cdd470279
PDF
Publication page835a14e8fc691ca0216ede4560459857c130f1657ae7677f8dcf0284888aa14b
Manifestc7ddeafea5149963d89c65191dcfd51b5376104d640663d472a81f80a6ca6f36

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
SignaturePXdkAYiqk4CW+4DSliegI54NMMePT433IfU/BHPGjpACdVkKOvAiIE7u/fJ9yccKuLKEX7sCqpg+8uq3+xhuDw==
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

2026-09-17T10:23:07.420735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072054
observed 835a14e8fc691ca0216ede4560459857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:07.403974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072054/manifest.json
observed c7ddeafea5149963d89c65191dcfd51b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:07.388641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072054/publication.md
observed 7d9548d1eb9d6c3955f1227f5f13e271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:07.370994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072054/publication.txt
observed cbc8c1108eb1dd92062f59a5b60f1636...
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.