OpenTechnical

OT-2026-000074597

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000074597) never changes.

Identity and time

Publication numberOT-2026-000074597 · never reused
Internal UUID01a0ae93-717b-7e3c-adf4-425cbf79a5c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074597
StatusPUBLIC

Content hashes

Canonical text4d142e39fc19dba986347e81398db59185c7723d93dbb503ae167ad002db947e
Markdownd5cc02528109b7d25325e8207daf2f11216620ea61060e09d2938b9b937370fd
PDF
Publication pagee7066cd896dfcb35807eb4d42788bad9d33d01bdad29cd2d73edea4cfd304034
Manifest978f1fc562da341b4486afc74e156c6700d94d8e92d082e48da9821029d7a2c6

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
SignatureUVNrGUeArbVQBcH01llkm2ACAIMYlNMdHOu5ZLPh6PLdjuTuj5CbinvVXkVpvkSQlo/Tr5gJDg0bPa8br4G7CA==
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

2026-09-17T10:19:37.321603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074597
observed e7066cd896dfcb35807eb4d42788bad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.302563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074597/manifest.json
observed 978f1fc562da341b4486afc74e156c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.284557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074597/publication.md
observed d5cc02528109b7d25325e8207daf2f11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.266469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074597/publication.txt
observed 4d142e39fc19dba986347e81398db591...
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.