OpenTechnical

OT-2026-000074844

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000074844) never changes.

Identity and time

Publication numberOT-2026-000074844 · never reused
Internal UUID01a0ae93-ac2c-75c9-9119-3b8b29516500 · 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-2026-000074844
StatusPUBLIC

Content hashes

Canonical text1d31aeab5bab8d393e56f9e7e0590e00967e41a175f18e51ac78d697ac5da907
Markdowna2c5b6bc831e753ea6e98061f75358849c9c34e7731cb7353519ce974db5e5bf
PDF
Publication pagedb7af4ade9aae820dc0089c3f99ee811e35deed0ac8ee09aa43b2af21cbb2b34
Manifestfdab7fbf1adb74bb7330f3aae927010b0c7afe25ba5cf78f01fcf86320af1ba0

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
SignatureOUUXaMq0aa51VtptM0nB8nTD852c2JBa1+H+6prcQtHqjuTQMZb052X+C6t2ft/Biln1BpGE2VdHfHLLdJ/qDw==
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

2026-09-17T10:18:33.401785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074844
observed db7af4ade9aae820dc0089c3f99ee811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.384991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074844/manifest.json
observed fdab7fbf1adb74bb7330f3aae927010b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.367270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074844/publication.md
observed a2c5b6bc831e753ea6e98061f7535884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.350582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074844/publication.txt
observed 1d31aeab5bab8d393e56f9e7e0590e00...
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.