OpenTechnical

OT-2026-000064082

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000064082) never changes.

Identity and time

Publication numberOT-2026-000064082 · never reused
Internal UUID01a0ae8d-53be-75d6-9ac4-096cb09c6412 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064082
StatusPUBLIC

Content hashes

Canonical textcf4ff123a33fdb23f6fcf7222b3b7ffa995e3762d9c19a850665d6abb717eac3
Markdown65ce2cc064d27c73de264969891c9edc976347956f86980d4cb71ad1d62fed41
PDF
Publication page28e7c365120c4289749d87573c85d106f669184a2037a1eb1e5c534a9b691f2a
Manifest66d9f97576bdc0393798b62ca7e94803a1f56da93584ee1649be771939173e0b

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
SignatureA1oxVz6DPg0saqc0kT2YxJDGIhJ+Z7b9qqFlsXnrQhol7J0Dc64TReSUBUnKzzF2TV6dXoPrHnE0S3EYuthuBA==
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

2026-09-17T10:37:11.240804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064082
observed 28e7c365120c4289749d87573c85d106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:11.222305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064082/manifest.json
observed 66d9f97576bdc0393798b62ca7e94803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:11.202622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064082/publication.md
observed 65ce2cc064d27c73de264969891c9edc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:11.184491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064082/publication.txt
observed cf4ff123a33fdb23f6fcf7222b3b7ffa...
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.