OpenTechnical

OT-2026-000073736

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented before 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-2026-000073736) never changes.

Identity and time

Publication numberOT-2026-000073736 · never reused
Internal UUID01a0ae93-2b8d-7aea-84f5-c8c81731f7c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073736
StatusPUBLIC

Content hashes

Canonical text81408089c247818681c40e628b21c39cde513a31990b7c8c54b5d794c72a1b3b
Markdown0e64be135e9f832c4ea5a9d46ed4eee161b1a58e93388be834cc285c63044c34
PDF
Publication page1025f9cffe35e7eb2c19d2caeaf1bc9376de769544308ebacac04b49b530a001
Manifesta5019cb32099abb02c8e635e935d34ccb4533ae7bddbfb7df12f78aa98683364

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
SignatureizMSnAqAZ9kvjeNBH12/hwVYoScNW5wIT2c6WdE7D2vMURhAY0iSwmErxJWuSv+lqbK7I4MBKfpd2b/1MT/LAA==
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

2026-09-17T10:19:48.923153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073736
observed 1025f9cffe35e7eb2c19d2caeaf1bc93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.903754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073736/manifest.json
observed a5019cb32099abb02c8e635e935d34cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.883351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073736/publication.md
observed 0e64be135e9f832c4ea5a9d46ed4eee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.862438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073736/publication.txt
observed 81408089c247818681c40e628b21c39c...
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.