OpenTechnical

OT-2026-000033656

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000033656) never changes.

Identity and time

Publication numberOT-2026-000033656 · never reused
Internal UUID01a0ae75-a390-70d7-ac5a-c28d993c52ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033656
StatusPUBLIC

Content hashes

Canonical text55a76f93081afb45bb107a686ebaf55ed97a2d376b8617d8ae573f30505ba78f
Markdown44ba5c228b07005b18c0c861069a74e4146a7462d7a5c99d3eb449e0b79f4b25
PDF
Publication pagee6781a8ab19d3bdb5ba7c8ea068d33d8ec568977dd0fd69d38075f181a4cd92a
Manifestfacab5ad3beaccbf3ca450e4e2e113ae5f78d07491b29a6bc15fe0d3e5c2a3c8

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
SignatureRB09/clmIK+l4Uaok3LBTfp3/0mlFKvnARMTxRlQtkekVRdUBeB989HzaUy52mvr0rmmgGfPCcfgxHjtguS5CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:38.513557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033656
observed e6781a8ab19d3bdb5ba7c8ea068d33d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.495526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033656/manifest.json
observed facab5ad3beaccbf3ca450e4e2e113ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.476985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033656/publication.md
observed 44ba5c228b07005b18c0c861069a74e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.457695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033656/publication.txt
observed 55a76f93081afb45bb107a686ebaf55e...
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.