OpenTechnical

OT-2026-000080935

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000080935) never changes.

Identity and time

Publication numberOT-2026-000080935 · never reused
Internal UUID01a0ae96-b975-7ef7-9988-5547cb7f3f31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080935
StatusPUBLIC

Content hashes

Canonical text1ac963acb2d9db132e4394f944df3dc5709fd4c36c2b8c46faa63d6daf47bb2d
Markdown3204004ee2247fc04b585c061ccaf781c7f385de1bbce897e71d7c2515f547c7
PDF
Publication page15b423145b9703820f747bb2c1347832fedd8f71093ff81c416d1d53f5cf268b
Manifest568a4d4f23ea2e169a00aafd9782bbc20c3d611874eb2c829003bc57a1712002

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
SignatureHaQ1p0dMmfk3JJ1NaRvctos/AqGvoZ9EYZvZpnal8ZwY5uswOrEV2hRqEg+3T6w20NP0Eme7DsjDK3R+bHMBBw==
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

2026-09-17T10:02:08.479922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080935
observed 15b423145b9703820f747bb2c1347832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.462307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080935/manifest.json
observed 568a4d4f23ea2e169a00aafd9782bbc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.444208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080935/publication.md
observed 3204004ee2247fc04b585c061ccaf781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.426731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080935/publication.txt
observed 1ac963acb2d9db132e4394f944df3dc5...
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.