OpenTechnical

OT-2026-000083584

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000083584) never changes.

Identity and time

Publication numberOT-2026-000083584 · never reused
Internal UUID01a0ae98-0415-7040-b213-140bbcafcce9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083584
StatusPUBLIC

Content hashes

Canonical textbcdb5e34de9f594d94f890f8b7fd0b3b1721017cec63ca7097a012756869d10f
Markdown631404cf3137c598f97da9f86338fe707c78ab16623928cb2f51465bdd80ce0e
PDF
Publication page252a2ac2f87c5c05235d3dad697f66b538f8eb3132b12c1bbb048364b7d8d2fe
Manifest78a0eda3b6b88089a4e77e2f1efe899259a3f1f58a6a84540312186bf7e2bb41

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
SignatureAfHyDoZMvZNyjUOe1lv7akcuVsDwQASGt3uBBwzraZaNcJpU3MTRY1C75NIP2gDW8NeFBW4qWY0heC5owY5PBg==
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

2026-09-17T09:57:04.557612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083584
observed 252a2ac2f87c5c05235d3dad697f66b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.541275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083584/manifest.json
observed 78a0eda3b6b88089a4e77e2f1efe8992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.524133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083584/publication.md
observed 631404cf3137c598f97da9f86338fe70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.506154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083584/publication.txt
observed bcdb5e34de9f594d94f890f8b7fd0b3b...
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.