OpenTechnical

OT-2026-000073815

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold 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-2026-000073815) never changes.

Identity and time

Publication numberOT-2026-000073815 · never reused
Internal UUID01a0ae93-2b8d-7ad7-827d-11fcc4f28cba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073815
StatusPUBLIC

Content hashes

Canonical textf9434eff94b156ab5242dac19a9828c1b6d2a58e071c21c0a6c1b62af798012e
Markdowna8145631129dfbebcbeda7a7954047869eec1fb96731ca4defbb32256dfd58f1
PDF
Publication page9bdd7000af0c4b74e1617a3201d7c1ff400d0f773f71ab958dd4eafee1e38bad
Manifest45c947803c07d8fe8611de82a8d41ad9a958765c2d5b0e05ac53261648e00258

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
SignatureOIpg6EZPpwtgGgHbGBXsmbTJA6Hm6duw/y182dtg6Rf7XPZ0lbEKFo5EoIVAs4RfTzeMTAvONJiIde/bI/ZxBQ==
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

2026-09-17T10:19:56.231678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073815
observed 9bdd7000af0c4b74e1617a3201d7c1ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.212960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073815/manifest.json
observed 45c947803c07d8fe8611de82a8d41ad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.194820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073815/publication.md
observed a8145631129dfbebcbeda7a795404786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.174569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073815/publication.txt
observed f9434eff94b156ab5242dac19a9828c1...
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.