OpenTechnical

OT-2026-000100398

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained 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-2026-000100398) never changes.

Identity and time

Publication numberOT-2026-000100398 · never reused
Internal UUID01a0aea3-66ee-7240-9a3a-94f0d5c08eba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100398
StatusPUBLIC

Content hashes

Canonical textf9eaf8ede1aeeb9d2d2629ceacc1447c9ebc86ef7fafc839113aaf955c4e51b0
Markdown6b2bbab054c3899b6e3224d37ed7e56e186472c5fee50f9b6aacddcd559d595d
PDF
Publication page6ed5d40951dbf5c609c42be481fbc608e43b3a826e31ca530ed75a26a3ad9eba
Manifest79307d06aac488dfc9bd2cf9af00d0603402230fbb6304b83eefcbf9f81402c5

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
SignatureWPbeKjCCXZT9yDVHWPHWKYyKhmThJci/dtT0T1rzevpBAOhmWiuEMPRy/c9e8NE3yUwgQ9EOQwMeLhUJuklgAA==
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

2026-09-17T09:27:08.115392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100398
observed 6ed5d40951dbf5c609c42be481fbc608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.098793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100398/manifest.json
observed 79307d06aac488dfc9bd2cf9af00d060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.082025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100398/publication.md
observed 6b2bbab054c3899b6e3224d37ed7e56e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.064009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100398/publication.txt
observed f9eaf8ede1aeeb9d2d2629ceacc1447c...
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.