OpenTechnical

OT-2026-000063320

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000063320) never changes.

Identity and time

Publication numberOT-2026-000063320 · never reused
Internal UUID01a0ae8c-f943-7209-815f-193137b1973a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063320
StatusPUBLIC

Content hashes

Canonical textd6e7fc77e28e1a6aaadc1ade620a5ccfdc3f1ff9841b4935f7db299bda4b5a4d
Markdown41e73e059f4ebac50d5778d6f221b5b99cb2b0ab90a5d78ef08d67b2c2625104
PDF
Publication pagee6d5bd2d09cbd99ee8500c1592fb1266f7a8b8d16ec569f8c4aaabb16d1e4994
Manifesta29f9b8cafdc0614c8e32c8eab67be03da4639890a8d5b9ea65e6da743b64d88

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
Signatureay6jf+tCnq4aPq2Td8gU9b7zeaRFj32MJESW0ByYrkyZksddhh+EGgXJZQlWCDUs5lcg3aU8ct/kx/1iHg2bBg==
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

2026-09-17T10:37:12.725721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063320
observed e6d5bd2d09cbd99ee8500c1592fb1266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:12.707476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063320/manifest.json
observed a29f9b8cafdc0614c8e32c8eab67be03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:12.688535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063320/publication.md
observed 41e73e059f4ebac50d5778d6f221b5b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:12.670643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063320/publication.txt
observed d6e7fc77e28e1a6aaadc1ade620a5ccf...
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.