OpenTechnical

OT-2026-000084021

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000084021) never changes.

Identity and time

Publication numberOT-2026-000084021 · never reused
Internal UUID01a0ae98-5b5d-7119-b6ad-a13d12b6b19b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084021
StatusPUBLIC

Content hashes

Canonical text339ba74ea91c63bf4cc6715a5a80813d3f4e651e2199991b3e495e2674ef4673
Markdown0c00048cde159d56a08638b98a2fd49a74927d455e0fd1befe05b44232400a1a
PDF
Publication page922e43dc8d5f2413d487743935547986c1779fd882701b1e269015d0d3faaaaa
Manifestc77e850ce2df18b335d0fdfeb2dbdc00432111ca3912976061dc07bf1107fd45

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
SignaturepbfIzssU+1NqhAa9B6uCsGi1Cm+VPOkyuUtD1W4MCO/IIOkySgL9mXbtUbUX1IRbllRPjL8a8dSh11+mq5zABQ==
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

2026-09-17T09:55:44.575336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084021
observed 922e43dc8d5f2413d487743935547986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.558433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084021/manifest.json
observed c77e850ce2df18b335d0fdfeb2dbdc00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.540056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084021/publication.md
observed 0c00048cde159d56a08638b98a2fd49a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.521397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084021/publication.txt
observed 339ba74ea91c63bf4cc6715a5a80813d...
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.