OpenTechnical

OT-2026-000098374

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000098374) never changes.

Identity and time

Publication numberOT-2026-000098374 · never reused
Internal UUID01a0aea1-e965-7d26-a9f2-8db380c3e08d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098374
StatusPUBLIC

Content hashes

Canonical textf5e1ba4ecf8341c238e762c25ce6ce93273a8106cc6298a5e69bda02286bd378
Markdownea81dab3325057a205f37d5c5eb16ae76822d7be1a0205dcd96e08651d55a9b0
PDF
Publication pageb9316248a1fde2d1f13628d52fbd24fa937be436648944a163447cf8c2d818f5
Manifest37ca08b5b4c3f05bc74b92b3e234c736c90248aba2ab7c35e93a689c6e8e8bf3

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
SignatureaivUBw7vZ6UglhGLPM/pmBAooa+dkFpSAgN6+kMzV5F+8xovs1+/FeqHLsZyhE/Vgk+YAeO/socwFD0P2lo3Dg==
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

2026-09-17T09:32:06.750559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098374
observed b9316248a1fde2d1f13628d52fbd24fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:06.734059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098374/manifest.json
observed 37ca08b5b4c3f05bc74b92b3e234c736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:06.715551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098374/publication.md
observed ea81dab3325057a205f37d5c5eb16ae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:06.698381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098374/publication.txt
observed f5e1ba4ecf8341c238e762c25ce6ce93...
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.