OpenTechnical

OT-2026-000084502

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000084502) never changes.

Identity and time

Publication numberOT-2026-000084502 · never reused
Internal UUID01a0ae98-e259-7e9b-a704-01f6077b0bdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084502
StatusPUBLIC

Content hashes

Canonical text1c001b921f711d67894c1bbd2bd68bba934d61e02a4329edb9ece8f1e630ce44
Markdownca23b81e180c17940a0b71206e3bf9d3b485cb01356be6a1744e48088fe8bb61
PDF
Publication page4e69c9082b10bbc5f1e9534458e14628d7274ca60284e87c405e21b6ec98e1b2
Manifestc486c1384c798dd746ec569cf183eeea30a48fbf3321c9aea4a84d4e94281703

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
SignatureL+EAwcfyROmv575RzpBO7W+VsupVDm1Rcm1RrYAg0ktuytBB8g1QMFOICgoZQSGiWYMOYMY7NLLtvVkjDZTjCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:22.643544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084502
observed 4e69c9082b10bbc5f1e9534458e14628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.626647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084502/manifest.json
observed c486c1384c798dd746ec569cf183eeea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.608017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084502/publication.md
observed ca23b81e180c17940a0b71206e3bf9d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.591391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084502/publication.txt
observed 1c001b921f711d67894c1bbd2bd68bba...
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.