OpenTechnical

OT-2026-000073037

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000073037) never changes.

Identity and time

Publication numberOT-2026-000073037 · never reused
Internal UUID01a0ae92-c816-7187-b721-10c3be274505 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073037
StatusPUBLIC

Content hashes

Canonical textba148bfe15699af34cc41cd1436a45e7711c354a644ae74378a1fad04b93ebff
Markdown5edc77146dced2bc1ff2500772996b87a325dc90e91ebb64dcffba1038d56fc1
PDF
Publication paged1b72d81e17ba6b68e6badd7f066223689383e28d8cce1e7be055e3164e1ca46
Manifest3d4d00855a05c8e31cf598cc9914dd770e5207f3338a30a42c93497cbf1491b4

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
SignatureJLrSpxjBbIHyh90Y9T9a9Ao6EHfdi3MD7mpXZ7QExgBrKYT3b/4+mpz0Un2fTM6B0RV/lcayyeuUYLPZ8QTXDg==
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

2026-09-17T10:21:58.738375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073037
observed d1b72d81e17ba6b68e6badd7f0662236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.719690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073037/manifest.json
observed 3d4d00855a05c8e31cf598cc9914dd77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.701802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073037/publication.md
observed 5edc77146dced2bc1ff2500772996b87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.684821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073037/publication.txt
observed ba148bfe15699af34cc41cd1436a45e7...
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.