OpenTechnical

OT-2026-000035298

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000035298) never changes.

Identity and time

Publication numberOT-2026-000035298 · never reused
Internal UUID01a0ae76-6a1f-7a4c-b855-21ef48bbe013 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035298
StatusPUBLIC

Content hashes

Canonical text53a778419dbcf0ef32ebd6a7bcc9796ee3c0aac5c03be4c2a6e0522b1201b0b4
Markdown9129ffc354f2ab93b7ef38e8189867e722eb805e74c0b293159db836d4559834
PDF
Publication page19e54afbe7781fad69b0d429380292e09ea946c7cc6212f95067ea1aaed476b4
Manifest023d309c4528a8684268755c856e4c0881011d6fcc4a63b247ad9257dc2c2771

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
SignaturerQSle9/MXXmlAEO1raI3CCig7FIV5ghcdSsakNAFBxFgWunDJQy0dnaAuxvKJkckpYRidwH3OgZtMJcuzjnrCQ==
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

2026-09-17T11:28:27.406562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035298
observed 19e54afbe7781fad69b0d429380292e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:27.389099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035298/manifest.json
observed 023d309c4528a8684268755c856e4c08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:27.372100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035298/publication.md
observed 9129ffc354f2ab93b7ef38e8189867e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:27.353648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035298/publication.txt
observed 53a778419dbcf0ef32ebd6a7bcc9796e...
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.