OpenTechnical

OT-2026-000048629

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048629) never changes.

Identity and time

Publication numberOT-2026-000048629 · never reused
Internal UUID01a0ae80-4de8-7adb-a240-ebf5bde94b82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048629
StatusPUBLIC

Content hashes

Canonical text96b2d0e6b63962f4bb5d337d6e78d4afbee3e1c38bdac750ac20872f3bcb89fd
Markdown09d3929aedbb75b352f2011bfec9bbd3706a03723a0ab5d257f625af5c3f7dce
PDF
Publication page009e63e8f61325f76c1552019985fa336f24602d9d2b31d4ebd0b244e70cf05b
Manifestc705d99503bc7270bd6762b727787f0244667582bb490f9aa42c3a6057ff8b4a

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
Signaturex1qdQ730+xFqkC4+FGfnJJQvOTRUbh2b6ywThY5SEdF3YT5o7UXptaK+5e2qXTktIveLYCR39aaHFl8xnn7+Cg==
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

2026-09-17T11:05:27.088613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048629
observed 009e63e8f61325f76c1552019985fa33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:27.068407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048629/manifest.json
observed c705d99503bc7270bd6762b727787f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:27.047747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048629/publication.md
observed 09d3929aedbb75b352f2011bfec9bbd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:27.028062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048629/publication.txt
observed 96b2d0e6b63962f4bb5d337d6e78d4af...
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.