OpenTechnical

OT-2026-000080472

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000080472) never changes.

Identity and time

Publication numberOT-2026-000080472 · never reused
Internal UUID01a0ae96-7e78-7811-8d34-9ee841dd9704 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080472
StatusPUBLIC

Content hashes

Canonical textd70d2b5731dacbdf32b8697a84611da31c398e4f38a866c4c40eb32c2bf5e337
Markdown3f42013bffcb83403fa8c7c9e231320831bcccc1a187906bae94a876648e7d26
PDF
Publication page1716fba35ec448bfae0888e613d456b50aedb5d557b09ee721df704f590c9e35
Manifestd010d6b267c1e1f400709781bf0cee18bd9736dfab4a4d85f08c06cc920ce278

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
Signature+iLMj6q8Ar9lCXb9KDZpXUF3ykLSjbdhFuK+wV7w5m9bGxrJBUhXTjP53Jxzv/uYub2PiES1UTOvdEgzZ2A9DA==
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

2026-09-17T10:02:59.560633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080472
observed 1716fba35ec448bfae0888e613d456b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.544170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080472/manifest.json
observed d010d6b267c1e1f400709781bf0cee18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.526081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080472/publication.md
observed 3f42013bffcb83403fa8c7c9e2313208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.507426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080472/publication.txt
observed d70d2b5731dacbdf32b8697a84611da3...
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.