OpenTechnical

OT-2026-000040258

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000040258) never changes.

Identity and time

Publication numberOT-2026-000040258 · never reused
Internal UUID01a0ae79-2700-75d6-97ea-e6d81473de53 · 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-2026-000040258
StatusPUBLIC

Content hashes

Canonical textf8384859a6915f8b8f9ce6fbcc0668c5ce4ce1351ec9f18d93c37fd0a2900605
Markdownd4bcd83207012dae12173a437e48d6e0c16a3d5345cf74c8fb8ccf7f07ef8132
PDF
Publication pagef754444f02ed047fb908bf72b11566f4ed6b27ccfd8452aebbbe5fd29ac88ecf
Manifest9d1cb2b821e719d9aba799359e71b68c173437c742e440429dee3a9318e2944c

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
SignatureVeILyzgE+xnyC1o4xHntSqSDi7QvZ72UwxCFbz3Ane4tbbmVXFXd3yPEOlijX6PUIMY6+ihCahneSSIhxJ0PAg==
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

2026-09-17T11:19:09.422540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040258
observed f754444f02ed047fb908bf72b11566f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:09.404051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040258/manifest.json
observed 9d1cb2b821e719d9aba799359e71b68c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:09.386742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040258/publication.md
observed d4bcd83207012dae12173a437e48d6e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:09.370216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040258/publication.txt
observed f8384859a6915f8b8f9ce6fbcc0668c5...
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.