OpenTechnical

OT-2026-000055536

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000055536) never changes.

Identity and time

Publication numberOT-2026-000055536 · never reused
Internal UUID01a0ae86-a102-799e-9ffa-7e46802098bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055536
StatusPUBLIC

Content hashes

Canonical text2fbc386d8618212e625a4e764e928f68880ba4c5c20c659f22f6901fe72e7f1d
Markdown7807ccf89683ff36587678b8798bb20899d2ed3654009bc5341d4d9b2baf9b52
PDF
Publication pageb5a04be1b94f3585be805e18098c9036ca32e467410a91f36819c7c45dcab713
Manifest021f378fa0c9d1057c25e4fd1ad8cc832dd2f0aa1e3b695a2359a01db78859c5

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
SignatureMwnZbwdABY8p9psr1Ivp4FrWHb0lih/D7EKZAxsRWatecm1X+6VPGeLYYCaGWj9/C1g6Vl8B3UOeFcFxJVTJDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:45.109021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055536
observed b5a04be1b94f3585be805e18098c9036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.092184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055536/manifest.json
observed 021f378fa0c9d1057c25e4fd1ad8cc83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.075892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055536/publication.md
observed 7807ccf89683ff36587678b8798bb208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.058831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055536/publication.txt
observed 2fbc386d8618212e625a4e764e928f68...
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.