OpenTechnical

OT-2026-000080979

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000080979) never changes.

Identity and time

Publication numberOT-2026-000080979 · never reused
Internal UUID01a0ae96-b975-703c-b342-c0b652d465cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080979
StatusPUBLIC

Content hashes

Canonical textb3cd874bf893b0ac23c4183e0545d1e4c82edfd7f9c25809bd02634a8d163b3a
Markdown45f706aa05e6bdd59ee2a8e8b2074d6acf2f2cd7223488fa1d96d4aa06147790
PDF
Publication pagef29f3a1e429c0518826c8b9c4118edda1b79cf17481178e5dc61bcb5ffc0bbd2
Manifestadc725c67f7c82375d5471c4289ba8444794b06099c2f3966148021c55e5383a

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
SignaturePV+8ePXXYMguuDBQ4TdnnitYhn+Q6YyF5/jQZf7m5wsbpjOB0nyaAhhAR/2tt/gCJ4s4jDHew3W0GgQnkHB4Bg==
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

2026-09-17T10:02:15.722058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080979
observed f29f3a1e429c0518826c8b9c4118edda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:15.704361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080979/manifest.json
observed adc725c67f7c82375d5471c4289ba844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:15.686078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080979/publication.md
observed 45f706aa05e6bdd59ee2a8e8b2074d6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:15.667657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080979/publication.txt
observed b3cd874bf893b0ac23c4183e0545d1e4...
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.