OpenTechnical

OT-2026-000088947

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000088947) never changes.

Identity and time

Publication numberOT-2026-000088947 · never reused
Internal UUID01a0ae9b-8f11-72d5-a024-21f3eb86b2da · 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-2026-000088947
StatusPUBLIC

Content hashes

Canonical text90b2130db2249f050525fb411ff3a9ed6c65ed838d1e17102be2058ba5c582d0
Markdown440a342ac73be5b3f08acb1382dc25bb0bef8c2aded94c7c234b8a370039168a
PDF
Publication page876fb750f2bcb4684ef231cb4b77c9c48a91fccc287fcb7bd027fb300d7dfaf5
Manifest95cf66787abc90f70bb5c203fbab7889aac1246b6794f3a4eca9625537a6d1d2

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
SignatureFTCzdsOGXIOQ7cgnU011sqG6uXU1tonYHkXr/HnvjQ6vsUuSesvNqAlBoli2fRH78TyuGdNoi+BBRPn6I2IdCw==
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

2026-09-17T09:48:21.586890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088947
observed 876fb750f2bcb4684ef231cb4b77c9c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.570197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088947/manifest.json
observed 95cf66787abc90f70bb5c203fbab7889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.553387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088947/publication.md
observed 440a342ac73be5b3f08acb1382dc25bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.535205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088947/publication.txt
observed 90b2130db2249f050525fb411ff3a9ed...
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.