OpenTechnical

OT-2026-000074893

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, 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-2026-000074893) never changes.

Identity and time

Publication numberOT-2026-000074893 · never reused
Internal UUID01a0ae93-ac2c-7e86-9598-6423d0ccd594 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074893
StatusPUBLIC

Content hashes

Canonical text158173c77c5cbfbbb9f5c9a3cb9e449361da8dcb58bcc78dc941c6dc363035de
Markdown85dbf33ae50e8274c9c4bb25c1e2a14a63a0a9123fffa43a2ba745254e3f2515
PDF
Publication page0a670258a2775bf8e02ee82c2b0a9aa85fac67f28dcf0b1eadb14221d9c53728
Manifesta4bab8ed574f6855a95b8639011a9353f245961c322b1ecc06037d2c3ba979d4

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
SignatureNKEacsrSn7yIZdXumPYIOBGFlbL1qVEXyOqgg6imDopmpE/2CcYCsVluUQ1AfnaUFnuEp5k+HD8r0Zw2R2+TAw==
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

2026-09-17T10:18:36.882105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074893
observed 0a670258a2775bf8e02ee82c2b0a9aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:36.865205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074893/manifest.json
observed a4bab8ed574f6855a95b8639011a9353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:36.849388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074893/publication.md
observed 85dbf33ae50e8274c9c4bb25c1e2a14a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:36.831767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074893/publication.txt
observed 158173c77c5cbfbbb9f5c9a3cb9e4493...
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.