OpenTechnical

OT-2026-000081113

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000081113) never changes.

Identity and time

Publication numberOT-2026-000081113 · never reused
Internal UUID01a0ae96-b977-7cc1-937c-35d7e4d77d89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081113
StatusPUBLIC

Content hashes

Canonical text054e4027327aa2464067c14150949ee53b9bfdd5c5951608a941a2aceb850102
Markdown47d831d274832e2ca65b21ad843224eac799eef5961f5b22b0ccefa8fb15ba64
PDF
Publication page6e14eaf28a37a1d2c9a01e4336781b04e8548557359bf1ed4a5196bdc30fadd1
Manifest70e47fdf54a11825d607ade50b37a9ece549cb27e5ff2c99e2facee521d5a79e

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
SignatureJlaycq9u7A+J5g5vDT6LICCZYdVjYEaG2nNIZr8Ct4c2CN7WwOmiEdiqCtmJl6srT8uY2d3d+sXq9dhpqgEKBg==
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

2026-09-17T10:02:25.302568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081113
observed 6e14eaf28a37a1d2c9a01e4336781b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:25.285442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081113/manifest.json
observed 70e47fdf54a11825d607ade50b37a9ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:25.269013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081113/publication.md
observed 47d831d274832e2ca65b21ad843224ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:25.251185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081113/publication.txt
observed 054e4027327aa2464067c14150949ee5...
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.