OpenTechnical

OT-2026-000025130

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, 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-2026-000025130) never changes.

Identity and time

Publication numberOT-2026-000025130 · never reused
Internal UUID01a0ae71-5fa5-7431-836b-8e832ed5b9d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025130
StatusPUBLIC

Content hashes

Canonical text42f9e8e5b78592af6f52ac711c33177d16690bdc2678a1bbbe7e0a1903619d68
Markdown5b6a84d97f04c798fce873156bd856e1294d8589100c8be399f72f5fee55abc5
PDF
Publication pageb4f7c2f24636068e2fa0e8ea18f887bce4cbe2a389d20d2b85c4ec2854982f33
Manifest6b77ea6d7d2cd7676999e51e98f7f65e7722e5a1cca39fc6dcb88092be6c571e

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
Signaturexc5ng6y5gV43DhcY93QlNorxbKzqL6fZDlDmNXl37NHCnaSp96L1hjgoN3iE3SA29bdd+aHgDZAghPaNIU/SCQ==
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

2026-09-17T11:47:00.586216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025130
observed b4f7c2f24636068e2fa0e8ea18f887bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.571090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025130/manifest.json
observed 6b77ea6d7d2cd7676999e51e98f7f65e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.550360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025130/publication.md
observed 5b6a84d97f04c798fce873156bd856e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.533605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025130/publication.txt
observed 42f9e8e5b78592af6f52ac711c33177d...
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.