OpenTechnical

OT-2026-000088850

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000088850) never changes.

Identity and time

Publication numberOT-2026-000088850 · never reused
Internal UUID01a0ae9b-8f10-732b-a86d-aa3363ac6b66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088850
StatusPUBLIC

Content hashes

Canonical text828e414bbdd5c19d973523cf96d5f7e02de62554607a2f70e335826323895744
Markdownd2d6401d78a44430704e868821e4bd2cea04761ec36bc96fcdea6520e0c79851
PDF
Publication page99dd074b8e270b15cf132ad8b81ece36b3d26bdf3502a122a165ddbcfbf08c80
Manifest05594d4217988a93794cbc0018ad4afb80fc49794f8017530ccce8446a10ecd0

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
SignatureaeSRd01LoUUzQE1zFoxEQoUVUUY3lrJFJXGVVtSnatugMJI5+81mrv8pHMewu95tsGJVZsezJgEVz8GThrKaBw==
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

2026-09-17T09:48:14.485912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088850
observed 99dd074b8e270b15cf132ad8b81ece36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.467071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088850/manifest.json
observed 05594d4217988a93794cbc0018ad4afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.449465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088850/publication.md
observed d2d6401d78a44430704e868821e4bd2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.430368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088850/publication.txt
observed 828e414bbdd5c19d973523cf96d5f7e0...
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.