OpenTechnical

OT-2026-000076408

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000076408) never changes.

Identity and time

Publication numberOT-2026-000076408 · never reused
Internal UUID01a0ae94-6a70-7454-95f0-5e37bac1529e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076408
StatusPUBLIC

Content hashes

Canonical textfb992ea71244f3ff7589b908959d296bba0d778330f2418b12209ea418e8bf67
Markdowndd5b5645f0e98ad54f7aaab4aa3da1642d5535cb88dadb602fe14bba7c51531f
PDF
Publication page5f9b8f0fa389cb7f6d376f1eb0489f8f25c700097b1da3fc4aa5c0e5150649c9
Manifestc8c097094531bd3ed83b756fb40358a83ebc4423c2e8130b0e439aff32c921c6

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
SignatureuhlTDOlcRH1aVo5DwyhfBIpIb8KIHp1JZbYUAcEyOm8n4ji1pwBLkUzrQaxWE8l055cGRX1yZliA5Roc3Iv9Cw==
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

2026-09-17T10:12:21.213437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076408
observed 5f9b8f0fa389cb7f6d376f1eb0489f8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:21.194831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076408/manifest.json
observed c8c097094531bd3ed83b756fb40358a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:20.799463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076408/publication.md
observed dd5b5645f0e98ad54f7aaab4aa3da164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:20.780400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076408/publication.txt
observed fb992ea71244f3ff7589b908959d296b...
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.