OpenTechnical

OT-2026-000017502

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000017502) never changes.

Identity and time

Publication numberOT-2026-000017502 · never reused
Internal UUID01a0ae6e-76ca-7592-854e-029220ce5a1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017502
StatusPUBLIC

Content hashes

Canonical text47600b9319c7eafce724c61e3acbc4c100ce8e7df8031e1d55fb2d35019f51f0
Markdowne8a6353be4ac5662d5fe123aa75bd1bea747e1be55423c945a0a2623f56e9b54
PDF
Publication page0c2873198315c99ccc4af7e58f8acc28a2e5bba7f85db942553b764b4f0c7c30
Manifestc97af17364e216cd746cc19838bac365605a7e9f47119df94e27567dcf0396ad

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
SignatureAVVu4x2UkqcRUQdxTFNS2tHMFjFK7Kz/7tSR98ktNIPK+lpYFb+ftnzYEkRl3+3Inb52WNoQpW+EH+OSjP3JDg==
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

2026-09-17T12:02:39.396461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017502
observed 0c2873198315c99ccc4af7e58f8acc28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.378301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017502/manifest.json
observed c97af17364e216cd746cc19838bac365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.361171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017502/publication.md
observed e8a6353be4ac5662d5fe123aa75bd1be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.344514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017502/publication.txt
observed 47600b9319c7eafce724c61e3acbc4c1...
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.