OpenTechnical

OT-2026-000046542

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two 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-2026-000046542) never changes.

Identity and time

Publication numberOT-2026-000046542 · never reused
Internal UUID01a0ae7e-57dd-782b-be31-476f5bec343d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046542
StatusPUBLIC

Content hashes

Canonical texta995f9cbd2e45d78a8911f6f1da3e9bee33997c276ce945585588a819b69ecea
Markdown3a8dedc3f04b801e073875e9b703b70e6d5c6af7a23d982b178746bbb08a9265
PDF
Publication pageba74f421caf28007606b82faeceebdcab06b517c7b201f716be22baaaaf62224
Manifest197cfaf80770aac20cba56da6b457e394999be2f4e3b5240351f489517121f3b

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
SignatureMA743zhKdEIW8ZVRa3MgMqRubUxbfV4j7lB3ELkoWSijMvQlNgTF1aXVexa2P1yVPtXiEuQj7liOH6o3CRSwBA==
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

2026-09-17T11:08:35.931051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046542
observed ba74f421caf28007606b82faeceebdca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.914302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046542/manifest.json
observed 197cfaf80770aac20cba56da6b457e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.895816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046542/publication.md
observed 3a8dedc3f04b801e073875e9b703b70e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.877052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046542/publication.txt
observed a995f9cbd2e45d78a8911f6f1da3e9be...
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.