OpenTechnical

OT-2026-000070472

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented before 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-2026-000070472) never changes.

Identity and time

Publication numberOT-2026-000070472 · never reused
Internal UUID01a0ae91-545f-708f-b5ce-da749a579a99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070472
StatusPUBLIC

Content hashes

Canonical texte3b25b7f061cb1eebf56a2de03d75ec589d48227c940e79b4f4acd1e8698589f
Markdownedfcd4290b79b2b944a501c9e7750b41b934ae51711ebd68be0cf72060066503
PDF
Publication pageadac864cf1869edac3b7b28454ab6f5c0cc5d73c672e471e6d41a358526d7288
Manifest80b78ae02bde88796bfeda85c66600bf50a5f72f5ca30c6dcf15998a294c792c

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
SignaturevD6qrQ4CNEMNviX0TUlHiX+S3lw386qkR/TiS8JNaFNO85ZHnEzoUM9AM1Fpea1Yl4HxEfMYGo/evtPgTg2fDA==
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

2026-09-17T10:26:18.150477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070472
observed adac864cf1869edac3b7b28454ab6f5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.131347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070472/manifest.json
observed 80b78ae02bde88796bfeda85c66600bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.114817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070472/publication.md
observed edfcd4290b79b2b944a501c9e7750b41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.096649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070472/publication.txt
observed e3b25b7f061cb1eebf56a2de03d75ec5...
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.