OpenTechnical

OT-2026-000097750

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000097750) never changes.

Identity and time

Publication numberOT-2026-000097750 · never reused
Internal UUID01a0aea1-92f5-7d43-a595-ff39d5a35964 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097750
StatusPUBLIC

Content hashes

Canonical textbb40bacbc213ee1e52878b7a1081f73cdf3f01a5a7390e44b957ac3446f39a51
Markdown123520fab1b76220ead272a32562e2f27937392c5563c2c0f80fd4ed275a4e95
PDF
Publication pageb26ad4a5381139197cf79d26341079a7371bb5e264c2f08e7f1c03993ccd125a
Manifestf5f5b39f47418842aeb65249c1a5c3cf374e9640b5ab9ef3d4bdd7bb76529021

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
Signature96qnQ/w0cZecrgUcR8x6ZUXu+W81GPkS9YOeMLj5//GImGSw2iH0amVN9pNKRclIiHQMjorYBg0mCEBQ663tDw==
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

2026-09-17T09:32:48.554925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097750
observed b26ad4a5381139197cf79d26341079a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:48.520223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097750/manifest.json
observed f5f5b39f47418842aeb65249c1a5c3cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:48.491683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097750/publication.md
observed 123520fab1b76220ead272a32562e2f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:48.466461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097750/publication.txt
observed bb40bacbc213ee1e52878b7a1081f73c...
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.