OpenTechnical

OT-2026-000075853

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000075853) never changes.

Identity and time

Publication numberOT-2026-000075853 · never reused
Internal UUID01a0ae94-29fe-7854-91ff-ec7e9fef55a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075853
StatusPUBLIC

Content hashes

Canonical text99afad4617302c663d1fc112658f0c4ab8bb75f017316c605d25197a8de9b071
Markdown4ee66c22cab11a67837b84d5c651043c5301d5190dde1788757fdb38db77cc0e
PDF
Publication page27cd2bac56dd612e9820bc944df95022d9733f8c0f20b1a74ea476c11ccb071c
Manifest44ade616679950a3ccfe8fdb8a4ed802ca3281f3445879c69b582186328d8d1b

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
Signatured1SotPj5NrEHeL3l1XkMG07Yg2yD9Q0mPMbeY5lbQfLD7aB9xcGMfqYEHWFBboMpIMN56/ZBqmyL8BbHYEoWBw==
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

2026-09-17T10:14:33.805655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075853
observed 27cd2bac56dd612e9820bc944df95022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:33.778543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075853/manifest.json
observed 44ade616679950a3ccfe8fdb8a4ed802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:33.297835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075853/publication.md
observed 4ee66c22cab11a67837b84d5c651043c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:33.277456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075853/publication.txt
observed 99afad4617302c663d1fc112658f0c4a...
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.