OpenTechnical

OT-2026-000034269

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000034269) never changes.

Identity and time

Publication numberOT-2026-000034269 · never reused
Internal UUID01a0ae75-df0d-7118-b288-3c1b7bee9354 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034269
StatusPUBLIC

Content hashes

Canonical textc4827a023d9df60cea0a4c43572682e96db12b473f2eb70a5aa4a542b3177c24
Markdown94b23df06e1cd01e28738f630949c0668afaf0c5de9aa5045dc4a8ac74fd58cc
PDF
Publication page30ea1ea26213491ebe14854d9c6d7bd6cfb5d831f2e6bbd270986dc133a33172
Manifest86520d4833e20c5d39ede8a21b0a598b0a72d24607a9ed1350eb77f75a5154c3

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
SignatureFbkHAq2fbTRWoPTHrUNkNqFIkH15dOZ3a3C7ICA4Bq95LXs2UnCJV5zTx3QNwzs5v8d4wrJXVMvhpe5PkB94CQ==
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

2026-09-17T11:30:56.513230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034269
observed 30ea1ea26213491ebe14854d9c6d7bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:56.485564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034269/manifest.json
observed 86520d4833e20c5d39ede8a21b0a598b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:50.322779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034269/publication.md
observed 94b23df06e1cd01e28738f630949c066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:50.062560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034269/publication.txt
observed c4827a023d9df60cea0a4c43572682e9...
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.