OpenTechnical

OT-2026-000017909

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000017909) never changes.

Identity and time

Publication numberOT-2026-000017909 · never reused
Internal UUID01a0ae6e-96fb-7570-8bf2-5633db2cb7e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017909
StatusPUBLIC

Content hashes

Canonical textf9a7cc2ff2c4db1436f639983559ceef63ed0739677d0d4986193d46c024edca
Markdowna671012874ee99c34b09c6ebc9338d937db003a2aab7cd8dc9e423722c1aca42
PDF
Publication page6aa71d746f45f4e54d735700a9bcfc0d73e8ff1c5536aa6e619adbda9d37f3c6
Manifest9107b3a965586b21daccfb1d6d880f35216dd751fdcfeb60930863068509403c

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
SignatureXsDDTOLEgmDSd3LbWxG56EcA3GacwkKBiN4KxA6Nt/2L25Zs2uTEHvkleonaD/XeveYtkZg1TU07M/m34y4pDA==
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

2026-09-17T12:01:54.030426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017909
observed 6aa71d746f45f4e54d735700a9bcfc0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:54.014890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017909/manifest.json
observed 9107b3a965586b21daccfb1d6d880f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.998127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017909/publication.md
observed a671012874ee99c34b09c6ebc9338d93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.983162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017909/publication.txt
observed f9a7cc2ff2c4db1436f639983559ceef...
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.