OpenTechnical

OT-2026-000089578

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000089578) never changes.

Identity and time

Publication numberOT-2026-000089578 · never reused
Internal UUID01a0ae9c-1a21-7601-9c68-95344119c44c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089578
StatusPUBLIC

Content hashes

Canonical text86658436d73716661201f9da7dc22b3df287d99e6cd91273ee7ef277033d99a3
Markdownd62b3d85f80c00f5faf12fa5ce03d03f0d387ee370b26f4dc95e9cb4d86e8fc5
PDF
Publication pageb394a4221c8ea842e9b2965b2ae73707588dd956fe98dc46527ec9b0fdcf1c08
Manifest83db9350be77fac32203b716630fa14d0f4989e39bc626667aacac0d4f1b1c4f

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
SignatureFDfASl6kjgZofz0QCljnOJlymDqEDfEvLY1KKNPXMsV/cVzpIBpskg1Cn42U6o5roFSfsSiEbZIs076jR5g4BQ==
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

2026-09-17T09:46:33.133513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089578
observed b394a4221c8ea842e9b2965b2ae73707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.114672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089578/manifest.json
observed 83db9350be77fac32203b716630fa14d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.095939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089578/publication.md
observed d62b3d85f80c00f5faf12fa5ce03d03f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.079515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089578/publication.txt
observed 86658436d73716661201f9da7dc22b3d...
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.