OpenTechnical

OT-2026-000072807

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000072807) never changes.

Identity and time

Publication numberOT-2026-000072807 · never reused
Internal UUID01a0ae92-89da-7c89-bf00-3684c550a4f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072807
StatusPUBLIC

Content hashes

Canonical text38e5766d5d6a26af4504feaab94aa59268749eddd3f4c8cae5cd90b2eb39a104
Markdown49a8ef14d8badabe2d2eb21f71130172f29959e0b5347fdb443904c4561531e7
PDF
Publication page3c4e0ba01b9db21b070e6c8c2000cc369c79f640bd85af613e2abb5138e1e777
Manifestca1d329af43c0da2736ae8a8f8a0145db02dd689fc6e3a28e54165dd9ffb0f5e

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
SignatureMJHhz2ZKlA0dfJ8x6vPPq+vlx/dFa1+L6bKNqltBn8o6WqWIrCpXRfE3Y4GBvFta+kvey2P8sLMoZRjm4hD8CA==
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

2026-09-17T10:22:43.271184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072807
observed 3c4e0ba01b9db21b070e6c8c2000cc36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.254847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072807/manifest.json
observed ca1d329af43c0da2736ae8a8f8a0145d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.237789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072807/publication.md
observed 49a8ef14d8badabe2d2eb21f71130172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.220292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072807/publication.txt
observed 38e5766d5d6a26af4504feaab94aa592...
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.