OpenTechnical

OT-2026-000021265

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000021265) never changes.

Identity and time

Publication numberOT-2026-000021265 · never reused
Internal UUID01a0ae6f-865c-7992-b16c-9a5bf04c7065 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021265
StatusPUBLIC

Content hashes

Canonical text58420c4cb4515aff306142d850d26fef1d365149ae6f3c187577b8dd7bc77ddd
Markdowna5cb9ec9c716390082ee3cafd28578184bc4a028c098a7849a7abc71955ce6d0
PDF
Publication page3414121fbf0acb3808c7c8bca8c946eb9e772f64d2bae99f625503fa142c6d66
Manifest2bfe141921996fa520066be0ccb6189db658fb78ab796e6c3b35acb34ac20bd2

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
Signaturet42XV0jJFmdScAJmVcz9sfcNx0xq3luWDced2tok9W5xvot1naWe1utHTnmQ/jw7jTtiZGx075nunyc6sT1aBQ==
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

2026-09-17T11:55:05.432064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021265
observed 3414121fbf0acb3808c7c8bca8c946eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:05.412351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021265/manifest.json
observed 2bfe141921996fa520066be0ccb6189d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:05.395065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021265/publication.md
observed a5cb9ec9c716390082ee3cafd2857818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:05.376452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021265/publication.txt
observed 58420c4cb4515aff306142d850d26fef...
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.