OpenTechnical

OT-2026-000086861

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000086861) never changes.

Identity and time

Publication numberOT-2026-000086861 · never reused
Internal UUID01a0ae9a-80a4-7ab4-8423-09902958669b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086861
StatusPUBLIC

Content hashes

Canonical texte4bfee15d31d5c94fd713d7003b2adc718d2b672467da4bdb0c68e6736a0ee8a
Markdownfff4fb12a223cdddd0f10abed4f18f3c40c3e4759fb3d8bcc7dec5de2c0c15a7
PDF
Publication pagea9c2ca28bd5622549243fcb5aa108e5467bf848b61a5167646721e6d90d065b5
Manifest2034e7e8af06dce07b619b6eb929bcef0f0bd9310fc82f0899ed47a4eeb2670a

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
Signature3FHEN6f26+6pzzb/CzBZEBoFI2nKu2YO8BYeeoiElMW4Zw0xSm3h1CNfisGUWSO8zABC3bg0s8lP2MKn0bqxCg==
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

2026-09-17T09:51:42.000860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086861
observed a9c2ca28bd5622549243fcb5aa108e54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:41.983785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086861/manifest.json
observed 2034e7e8af06dce07b619b6eb929bcef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:41.965891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086861/publication.md
observed fff4fb12a223cdddd0f10abed4f18f3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:41.948733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086861/publication.txt
observed e4bfee15d31d5c94fd713d7003b2adc7...
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.