OpenTechnical

OT-2026-000074668

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented before 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-2026-000074668) never changes.

Identity and time

Publication numberOT-2026-000074668 · never reused
Internal UUID01a0ae93-ac2b-7978-92d9-f10b66712d36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074668
StatusPUBLIC

Content hashes

Canonical textd36da82b2054280e4b1fdd13273e8605be274ea9260dc6fde37e2e2f9e258dec
Markdowncefb720483df1993df79a7ac7f0533c1aa274eb8ddc6fedde768d3e260bb86d3
PDF
Publication page13716fedd71fd3a9f086b2dc9ff73ac95b460a9ba345889beb2abe3d82655f05
Manifest382c95fa679ad9d166500fb55e9785811e277b5b7ae90e6c2c73503a2136c949

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
SignatureOJY1YsAybN8eMMIejIdkT8u/ljKfoJdz4BpHAKc9jdXcZEtIzi6GqyXAGFB4vLtsY2qVwZnaazvhNM7ZEfx7CQ==
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

2026-09-17T10:18:14.938173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074668
observed 13716fedd71fd3a9f086b2dc9ff73ac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:14.919237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074668/manifest.json
observed 382c95fa679ad9d166500fb55e978581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:14.901099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074668/publication.md
observed cefb720483df1993df79a7ac7f0533c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:14.881319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074668/publication.txt
observed d36da82b2054280e4b1fdd13273e8605...
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.