OpenTechnical

OT-2026-000100565

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000100565) never changes.

Identity and time

Publication numberOT-2026-000100565 · never reused
Internal UUID01a0aea3-66f2-7de9-9a02-85573eb2dda9 · 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-2026-000100565
StatusPUBLIC

Content hashes

Canonical texta205a24ef449e06487b5837fc776a99e4f4f0b9558f5193b96b23b7eb716a214
Markdown0bda6fc5b8de21635a4277cafee715e6796a15cae18f2de871bd1a86772f794e
PDF
Publication pagefdb2d665df01c7bd3e617f2888f3aa3736912fff842a282ba25197303d44e4eb
Manifest14111734da2f929ddf239639645f50d94967b1374da43def82b0b912289ea404

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
SignatureAhJSt4hV2txntJ3QM2SXJ3KVAtSYVhelhf0aFnXvob7Kq5aZ/WmqI05ppynmglBkSkz1G1FoFuFvzewlEyQtCA==
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

2026-09-17T09:27:20.540185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100565
observed fdb2d665df01c7bd3e617f2888f3aa37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.521459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100565/manifest.json
observed 14111734da2f929ddf239639645f50d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.502156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100565/publication.md
observed 0bda6fc5b8de21635a4277cafee715e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.482465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100565/publication.txt
observed a205a24ef449e06487b5837fc776a99e...
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.