OpenTechnical

OT-2026-000104045

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed 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-2026-000104045) never changes.

Identity and time

Publication numberOT-2026-000104045 · never reused
Internal UUID01a0aea5-341e-701a-a683-72b36642c2d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104045
StatusPUBLIC

Content hashes

Canonical text2a8fe6fe393c443163033414e40330c5220850dae5039ef3372b1072d3afdf4d
Markdown8fc4f5b53dd09a8555e2d4dcb7f60fbc0f797e5898821dded5f70496a230de76
PDF
Publication page5f6c6b218de2ec26b1caca7f5a4acb7ea5696111d87975a3e963973f71ecbee5
Manifest365274061da558d155bb471aebd3850685f7052fc77b3d6a66f1c0a19263a7ed

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
SignaturecqA5/aVoWeVddKccKc+quzrMYSkgv7uisPth576wsmFDlZvIBUXFmJb/785hdJ7Z+sBMuWSE/nzSuCFxSJI4AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:06.686474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104045
observed 5f6c6b218de2ec26b1caca7f5a4acb7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.667288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104045/manifest.json
observed 365274061da558d155bb471aebd38506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.650962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104045/publication.md
observed 8fc4f5b53dd09a8555e2d4dcb7f60fbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.633672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104045/publication.txt
observed 2a8fe6fe393c443163033414e40330c5...
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.