OpenTechnical

OT-2026-000047672

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000047672) never changes.

Identity and time

Publication numberOT-2026-000047672 · never reused
Internal UUID01a0ae7f-c41f-7034-89cc-befbd5a5e64b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047672
StatusPUBLIC

Content hashes

Canonical text6ac7df1b0a227289bf0ea9cea5f2c416412d23a3ed206789270946a7ed93a1ed
Markdown0cb5e66fade2764a6893910bac7ce0eaceef0ffdbdd488c403b3687f57278689
PDF
Publication page753081c72a2fb43379bfd9cd6254b688f04465e8daf380dd4cd89ba202b64fa5
Manifest0e3e93a418cc60f2da64b22d96d06c0a12cce984988cc3c5ecdf10fe891f3f89

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
Signatured2IwKqxY9weQsq13lNiluzPZdOPWT1EpCrvmVb9HwaAmgjwIZjMYOvQD0PwzBhkDH6Egg3y8UFH+8HS60S/fDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:30.982008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047672
observed 753081c72a2fb43379bfd9cd6254b688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:30.963981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047672/manifest.json
observed 0e3e93a418cc60f2da64b22d96d06c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:30.943378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047672/publication.md
observed 0cb5e66fade2764a6893910bac7ce0ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:30.925027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047672/publication.txt
observed 6ac7df1b0a227289bf0ea9cea5f2c416...
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.