OpenTechnical

OT-2026-000025909

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000025909) never changes.

Identity and time

Publication numberOT-2026-000025909 · never reused
Internal UUID01a0ae71-a83f-7a0e-819c-28c1dc1c7d8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025909
StatusPUBLIC

Content hashes

Canonical text47c21c90eb458cce4ee8b615ef3439e3f12c96ba9f7b4a1431598deb02c66527
Markdownb918ce6bef357f7f61476caf9a042e5ea5a5b5f480fbe0b3d5111f5c4a6920c9
PDF
Publication pagec995d3a2ad7cd8c5313146528fb81b8e69fca5674d5068fff5bf4f876ff20419
Manifest1f8af4ac26713ae666bab52c32b40bef8b006ff4d1dd168cf03de88e01bd0ee2

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
SignatureU+/F81dwdqpXFeBQKxBJizzZiRbvCVdLragK2j+q4abBITReYgNaobReR+cH/tLphI+eUQYqdtyWglaZ02BsDg==
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

2026-09-17T11:46:15.589119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025909
observed c995d3a2ad7cd8c5313146528fb81b8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.549720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025909/manifest.json
observed 1f8af4ac26713ae666bab52c32b40bef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.533645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025909/publication.md
observed b918ce6bef357f7f61476caf9a042e5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.499683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025909/publication.txt
observed 47c21c90eb458cce4ee8b615ef3439e3...
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.