OpenTechnical

OT-2026-000052764

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line 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-2026-000052764) never changes.

Identity and time

Publication numberOT-2026-000052764 · never reused
Internal UUID01a0ae84-a42d-7665-8222-f4d82ae8e7e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052764
StatusPUBLIC

Content hashes

Canonical text3ba418e2d77f8e33f45f1dde9703dd43b236af498ed35ad3c5ee685bdd8510e2
Markdownac5b9ae885bef80f8b8c55a0790300c8fc5676e911fffa1da294a514678cee95
PDF
Publication page3103dd008cb1141b21cd95e06e7bde811f60a5aec1e5aa85164040e1e04cfd8d
Manifestdabce357caa18914da4ba803ac41d5d786a16f98fdce9d1cf4efef5fc5efc60b

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
SignatureCle1ALpPKQOHaKNRhL28U+w4hC5engYvYm1Oll3/fOVD3XEEwaifKRBMauC/d+QnW79JQa6FlJUBWyk5T0WxDg==
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

2026-09-17T10:55:46.218485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052764
observed 3103dd008cb1141b21cd95e06e7bde81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:46.200596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052764/manifest.json
observed dabce357caa18914da4ba803ac41d5d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:46.182106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052764/publication.md
observed ac5b9ae885bef80f8b8c55a0790300c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:46.163488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052764/publication.txt
observed 3ba418e2d77f8e33f45f1dde9703dd43...
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.