OpenTechnical

OT-2026-000103420

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, 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-2026-000103420) never changes.

Identity and time

Publication numberOT-2026-000103420 · never reused
Internal UUID01a0aea4-e460-7102-87eb-f8ba9114b7d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103420
StatusPUBLIC

Content hashes

Canonical text941276c93c7a0b83b5cc28a5a266f6d1599430d4fc4117397042ae0d746261e9
Markdown818d2599618f3372cb647c8f7494421ab8fc1910759259f800daaf9a9e253168
PDF
Publication paged10413e0a69c61183a5ad023afa5de7441578a9a8fcc70e7d67ebfd385e3ba2b
Manifestfdcdb1c7c40ab01612a1f8da2ac9ff8e67c6a176c674f1f6a56886edfbaff31c

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
SignaturexkDFm+TazuJtHC3ng9dabS3WWvf3RldK7S1JFFXJY3d6TVxTYH/NzpiNWAcuokSmNvu4o6JCj0WQhbKPznWODg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:10.119667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103420
observed d10413e0a69c61183a5ad023afa5de74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.102949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103420/manifest.json
observed fdcdb1c7c40ab01612a1f8da2ac9ff8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.084680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103420/publication.md
observed 818d2599618f3372cb647c8f7494421a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.065094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103420/publication.txt
observed 941276c93c7a0b83b5cc28a5a266f6d1...
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.