OpenTechnical

OT-2026-000072976

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented before 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-2026-000072976) never changes.

Identity and time

Publication numberOT-2026-000072976 · never reused
Internal UUID01a0ae92-c815-73e1-a978-1258fec9fdc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072976
StatusPUBLIC

Content hashes

Canonical textd0e2e97881fe696ee5dccd8905c5a54429311facbaa26cf12aade803827da834
Markdowna2d5a95b708a0415e3f350d2539bf15ab861875b6cfbf3819371d59b1ca533f9
PDF
Publication page6ccee943baa9d86a7154140d2a6d5d1a4f7b009068e48455ef55e78084ce93f9
Manifestbc122260648fbc5dc670f81e8d3ace53dec7046f8e68965aef5bf61b38189667

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
SignaturectXexnAAcAYLPv7UOafNok5YgIBZaZpJZLxGUYDpGG10zslChb9B049sC+rZp905+BZ4n5xjroTYrCMK0ysqAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:54.295639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072976
observed 6ccee943baa9d86a7154140d2a6d5d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:54.278363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072976/manifest.json
observed bc122260648fbc5dc670f81e8d3ace53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:54.260721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072976/publication.md
observed a2d5a95b708a0415e3f350d2539bf15a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:54.243996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072976/publication.txt
observed d0e2e97881fe696ee5dccd8905c5a544...
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.