OpenTechnical

OT-2026-000050174

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down

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-2026-000050174) never changes.

Identity and time

Publication numberOT-2026-000050174 · never reused
Internal UUID01a0ae82-5c45-7f86-aecc-ffc5873d6c15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050174
StatusPUBLIC

Content hashes

Canonical text4992ecf4145fcc165dcf6680741a786223b472931c379f02c6d9a1ced924a87e
Markdownfd0e59a1194966423b99ed8686161accbbf0151b5ea2cd890e6a06b3f2c3bffb
PDF
Publication page0f729f3e7a538e65341d929b4f1c43ad6e2759467f1e81bfc09181e934e8b70b
Manifest25288e1b98460a24c1b582ee06d92ed3fbb21f1e4cc2350f167ae2b16c3b467a

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
Signature6VkaJ2E7lnHOxorRAmXJNlVNT/6tAzATAEyAWLY0izyz25WsK7fK8oA3sdxLItNTOHvJiM+nvoL2ASMW2MZFAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:09.257047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050174
observed 0f729f3e7a538e65341d929b4f1c43ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.237553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050174/manifest.json
observed 25288e1b98460a24c1b582ee06d92ed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.218429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050174/publication.md
observed fd0e59a1194966423b99ed8686161acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.201201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050174/publication.txt
observed 4992ecf4145fcc165dcf6680741a7862...
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.