OpenTechnical

OT-2026-000031024

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000031024) never changes.

Identity and time

Publication numberOT-2026-000031024 · never reused
Internal UUID01a0ae74-3fb7-7dab-b003-31e139543a3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031024
StatusPUBLIC

Content hashes

Canonical text1afbee160a4f10c549520b725dbc804e1f42ff145d66fb138d1339f250488a77
Markdown85babdfd0e3be3646163962d4cceab8493400caefcab43c66f304c5695f4a0a0
PDF
Publication page75539574a411d34e56da32a7863b8f3ad1bc3a762c6abdede547511c0a1e2fb3
Manifest2452b84710c0200d46f4b05d69d31484fd175b69ed0c31cbfd695737a45520be

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
Signatureo0Ld9asK1REqYGvR7+j9nJKp/DzBj6J9CSyBL3PzzSZTz6nhH0qdg3GULzZd44eONNIdeXfpCZST9S0uGg3/CA==
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

2026-09-17T11:40:07.168944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031024
observed 75539574a411d34e56da32a7863b8f3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:07.151000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031024/manifest.json
observed 2452b84710c0200d46f4b05d69d31484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:07.135196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031024/publication.md
observed 85babdfd0e3be3646163962d4cceab84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:07.115512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031024/publication.txt
observed 1afbee160a4f10c549520b725dbc804e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.083706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031024
observed 75539574a411d34e56da32a7863b8f3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.065052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031024/manifest.json
observed 2452b84710c0200d46f4b05d69d31484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.048060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031024/publication.md
observed 85babdfd0e3be3646163962d4cceab84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.030256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031024/publication.txt
observed 1afbee160a4f10c549520b725dbc804e...
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.