OpenTechnical

OT-2026-000030099

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, pulsed blow-off 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-2026-000030099) never changes.

Identity and time

Publication numberOT-2026-000030099 · never reused
Internal UUID01a0ae73-ac4a-70ec-8774-f28894c67550 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030099
StatusPUBLIC

Content hashes

Canonical text62b160017e1faa732dc0ec511d250607eb4950cc7ef239fe15da17d384b0b33b
Markdowna7fc18ad227b1e349ce76c5b04e2190aee63cb40b944b2b0b56ec731fb3ce03c
PDF
Publication page788637ea57be76789a495644987e17a45e188259b6a1aae6d5c2e5083c773589
Manifest7b879246a23475ad83446afafad3fdc7533d09b1d358cfa48bfcb4206a0ff1da

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
Signature7YvltzXYGKt7ayso6B1ksFeLyiY/kphwvNMIPopOOkUAVAPoxumd5Sm7A06gQe/MzhT0qnqd6mzhz3rfu+bEBA==
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

2026-09-17T11:38:51.110452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030099
observed 788637ea57be76789a495644987e17a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:51.094416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030099/manifest.json
observed 7b879246a23475ad83446afafad3fdc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:51.074290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030099/publication.md
observed a7fc18ad227b1e349ce76c5b04e2190a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:51.055288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030099/publication.txt
observed 62b160017e1faa732dc0ec511d250607...
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.