OpenTechnical

OT-2026-000081826

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000081826) never changes.

Identity and time

Publication numberOT-2026-000081826 · never reused
Internal UUID01a0ae97-0f75-7c33-9205-818e7dfef559 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081826
StatusPUBLIC

Content hashes

Canonical text165fa5d61103c1e40100bba9fd58b708072016906267d68ec58f9728624b180c
Markdown449f57bf3e67be147d98c9250f089da6cfd06b36acdefe5696442591abdbaee1
PDF
Publication page56f47717775031eb4b4d7ea3cc1891a91f3ac06a3439f875ed3c745e8caa84c2
Manifest60b4d3708d48ca43b81907e0753ff4ce18fbf69ba85ce1079937868c023e2fae

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
SignatureRka5ftlvvXdKgQJ6W9MiQO7xEfOX0AS5zP6rDK5JNl0njmUlPCLPAz8IqQ7ylrKrY3G6TRCMzk5naGLdFBJXCA==
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

2026-09-17T09:59:56.049002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081826
observed 56f47717775031eb4b4d7ea3cc1891a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:56.032070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081826/manifest.json
observed 60b4d3708d48ca43b81907e0753ff4ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:56.013456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081826/publication.md
observed 449f57bf3e67be147d98c9250f089da6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.994782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081826/publication.txt
observed 165fa5d61103c1e40100bba9fd58b708...
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.