OpenTechnical

OT-2026-000066524

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000066524) never changes.

Identity and time

Publication numberOT-2026-000066524 · never reused
Internal UUID01a0ae8e-ce41-7545-b891-9d711ad8d9c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066524
StatusPUBLIC

Content hashes

Canonical texta9f9cf0c7343a0df8085ba3b79208e2760e8a02ec8ceeb785dbb2339796f1b21
Markdown38155218d5adf9abd09c17ae624c12d5323d1fd6bbc9cc318acf219e517562b5
PDF
Publication page7fbca7d434420135e148e7e0010618c2604abd0607a013d4687730d19a2d2515
Manifest8ce03a23fa7b93863b862118bff14ddd04ffbcae200e4f35849a10f1a6b03ea3

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
SignatureSyw1Q+h6LLZJ8wCoyl+VRdUjV1dfN7AI6jcIX3ewawYTalaemddhcNW3Md0fWD475B1hdiApvaviDGrDSTN9Dg==
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

2026-09-17T10:32:47.236331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066524
observed 7fbca7d434420135e148e7e0010618c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:47.219421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066524/manifest.json
observed 8ce03a23fa7b93863b862118bff14ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:47.203217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066524/publication.md
observed 38155218d5adf9abd09c17ae624c12d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:47.187047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066524/publication.txt
observed a9f9cf0c7343a0df8085ba3b79208e27...
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.