OpenTechnical

OT-2026-000040472

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000040472) never changes.

Identity and time

Publication numberOT-2026-000040472 · never reused
Internal UUID01a0ae79-2702-7f01-8937-bfc3e973ca2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040472
StatusPUBLIC

Content hashes

Canonical text825685e17e7962ab03db52d4c73e3776b65b9270e76ff80d328b0621703c6b83
Markdown8e1a6853e72522a7ff76ffe8b339327acf2c7c4c7e788c83750d4e61a6bab86d
PDF
Publication pagead818f7c2a9677542730b2fd23f93d9c0d5976a411fb4c21e0177d9231489bce
Manifest6424172fd7458d34b97b3cc75d06f1dfb765292326673875f9d62765658b1137

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
SignatureeES7n61Fh0WG+oshpMku5CHfFheWPdExSDVDIpeueLIUhwCx8X/Dy/fQg/qMKeMMz5Z+LEHBzGfUe0PB+304Ag==
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

2026-09-17T11:19:31.141592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040472
observed ad818f7c2a9677542730b2fd23f93d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:31.122991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040472/manifest.json
observed 6424172fd7458d34b97b3cc75d06f1df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:31.104181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040472/publication.md
observed 8e1a6853e72522a7ff76ffe8b339327a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:31.088066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040472/publication.txt
observed 825685e17e7962ab03db52d4c73e3776...
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.