OpenTechnical

OT-2026-000077273

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000077273) never changes.

Identity and time

Publication numberOT-2026-000077273 · never reused
Internal UUID01a0ae94-f508-7c8e-8113-25f524a04656 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077273
StatusPUBLIC

Content hashes

Canonical text48bf485d7943f77c3461f037248f85c7b8cda0ba2a7c844390d47d02e89c2aee
Markdown2905c41d1203d7c8d46c1c74ab7aea8ec21421395ab9a414b6d71f55539581bf
PDF
Publication page93a1587276446babee553782525a18def5e60bcb344cae2c638901b8bd0ae2a3
Manifesta8427942d4d85219ec95f6ebe07e49be1f8f51525e1b653c250f85c54bd961ff

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
Signature6jH0wCrNEQ6zFSp0Ys8TplPW8c1niUZtx2eyhfuKAR340xmZ6Qs9QRd9xFyx5VS8o7nWARzxlM7Hn5tnH7i4Bw==
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

2026-09-17T10:08:54.234558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077273
observed 93a1587276446babee553782525a18de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:54.214229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077273/manifest.json
observed a8427942d4d85219ec95f6ebe07e49be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:54.193660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077273/publication.md
observed 2905c41d1203d7c8d46c1c74ab7aea8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:54.174295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077273/publication.txt
observed 48bf485d7943f77c3461f037248f85c7...
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.