OpenTechnical

OT-2026-000073310

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000073310) never changes.

Identity and time

Publication numberOT-2026-000073310 · never reused
Internal UUID01a0ae92-efb7-7060-abd0-d4f05d8b8897 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073310
StatusPUBLIC

Content hashes

Canonical text8dddc7becb7ffdd80a0575a3d185b1037f531d8c2dc172a7becfb74ec6f6c109
Markdown4b44e09e97c98b1c3d87a9f8c044eab08be52504db80f82c028151359127ea80
PDF
Publication pagef3097de31e723cd97f614fa3b3bcf15e34f49118c3ae4ed6bcec60cf44b80422
Manifest244dd3dfddfa74fee6b6a3ee6518517ce8823ac09a3e817b3c0b714f9394cafb

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
SignatureVcYa9RJUMYL4hmS12hnR1igZCB7CCrkEjZrqPgpJO0BBQAolppZr/5s5zC7RxUtwwxarDOsLC8GDwTyudnC1Bw==
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

2026-09-17T10:21:19.294624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073310
observed f3097de31e723cd97f614fa3b3bcf15e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.277621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073310/manifest.json
observed 244dd3dfddfa74fee6b6a3ee6518517c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.259795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073310/publication.md
observed 4b44e09e97c98b1c3d87a9f8c044eab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.238598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073310/publication.txt
observed 8dddc7becb7ffdd80a0575a3d185b103...
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.