OpenTechnical

OT-2026-000047250

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000047250) never changes.

Identity and time

Publication numberOT-2026-000047250 · never reused
Internal UUID01a0ae7f-3e56-7639-b2a0-9800e14e80bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047250
StatusPUBLIC

Content hashes

Canonical text85566fd36f3c69ac97e4587a2e0413c07926e1bcb3320b9e723e9ce78e0221b7
Markdownd80f74caf2fe0c6161a7c555663bc782c9e01aca8b95b592f40dffdc198010a2
PDF
Publication pagee6b039fdf66cac1cc534f303dc72f1d93f0db113024cbb5ef80c25d9cad7c82c
Manifest8873c5aa1705262e4db4f0263a2ccbddf4f802bd736ff3649d52bc6bb0316e4d

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
SignaturetIQ8FIgEV5opQeV5irr6mDX0KKsIKOYp5HE3cpskG5iN4J3YeSxujbnlkUUg93X0HTZUKZeAgXT1z6mBfPIpDQ==
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

2026-09-17T11:06:12.596744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047250
observed e6b039fdf66cac1cc534f303dc72f1d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.576177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047250/manifest.json
observed 8873c5aa1705262e4db4f0263a2ccbdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.557741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047250/publication.md
observed d80f74caf2fe0c6161a7c555663bc782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.538918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047250/publication.txt
observed 85566fd36f3c69ac97e4587a2e0413c0...
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.