OpenTechnical

OT-2026-000007986

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000007986) never changes.

Identity and time

Publication numberOT-2026-000007986 · never reused
Internal UUID01a0ae6a-908b-7d02-89ef-1909a791bf3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007986
StatusPUBLIC

Content hashes

Canonical texte52294eeea24681c9708f9f6dee0ae01ea6e3ab3b967eca34dbffa6827e4b191
Markdown913d45ae6ef333a4d716381fe81e864f657d4ac391ebbd58fa96512f896dfaef
PDF
Publication page10db7eeafc7deee487522d3b739f2150cefe95e87db27e24efe630dc1ab85923
Manifest24e92aa8d6b553d4833d0cda13e9757c63ba8c45c60f13f8553f496ba78fa13d

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
SignaturerqwelCvyp9ooqY1nrtTwKdP9mtTxvJyNllqcIg1O3iqX5DtaiOxYKTZw8ivnDGDTrq0cAEr6fxRjtBhYS/iyCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:31.807045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007986
observed 10db7eeafc7deee487522d3b739f2150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.788809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007986/manifest.json
observed 24e92aa8d6b553d4833d0cda13e9757c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.766527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007986/publication.md
observed 913d45ae6ef333a4d716381fe81e864f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.745867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007986/publication.txt
observed e52294eeea24681c9708f9f6dee0ae01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.869606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007986
observed 10db7eeafc7deee487522d3b739f2150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.851995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007986/manifest.json
observed 24e92aa8d6b553d4833d0cda13e9757c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.833189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007986/publication.md
observed 913d45ae6ef333a4d716381fe81e864f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.809689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007986/publication.txt
observed e52294eeea24681c9708f9f6dee0ae01...
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.