OpenTechnical

OT-2026-000007113

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, plant vacuum fed

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-2026-000007113) never changes.

Identity and time

Publication numberOT-2026-000007113 · never reused
Internal UUID01a0a973-26e2-778a-b0a4-3b021e8a2c5d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:01:31.237054Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007113
StatusPUBLIC

Content hashes

Canonical text2ab87b8412208da458cd556640f02705ea92e93ffcdefc8829c0bf6579fe3033
Markdownf45849a586cc7e0d404e4ac45c987e6dd632cbee9582866dd0280cec9161ef88
PDF
Publication page8a0929d63f240b2a08ccf8b36a6ef36bba14a43931841e6a63209cb7d4e838a0
Manifest21ce586098eea7035c368b5f959285a2ebe74094d3317bc78d5e068019d56263

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
SignatureSC3GLwKg2A0aPtQ6CiiIqNIV+/Pbdj3Ava4Zhz/j+4cUfiUpRbhIYITrtcgiNmoze9qp9sLWIZ5/fqA3CLGvBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:25.660363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007113
observed 8a0929d63f240b2a08ccf8b36a6ef36b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:25.647416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007113/manifest.json
observed 21ce586098eea7035c368b5f959285a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:25.631866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007113/publication.md
observed f45849a586cc7e0d404e4ac45c987e6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:25.497203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007113/publication.txt
observed 2ab87b8412208da458cd556640f02705...
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.