OpenTechnical

OT-2026-000007156

Publication integrity record

Vacuum cup gripper, four zone face, six outlet manifold, ejector fed, 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-2026-000007156) never changes.

Identity and time

Publication numberOT-2026-000007156 · never reused
Internal UUID01a0a974-bc26-76b9-8cf4-bb7cbdc06ae4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:03:14.986108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007156
StatusPUBLIC

Content hashes

Canonical textf2f23a88165934fc530ffa462aab4c0e777cd90e1d8cd97f0f979862fd59ac73
Markdown704ab96c526afb0515e93947ededb9fc5d057648e7d878eb256f57e1cde14b6a
PDF
Publication pageb4ccc13a5fc9d80d9d6b54508dc5f0615f97199d731d4d6076d4f0b9e65d12fc
Manifest5b405ad9136888c0e298e94df4898c9b0686e113b27303c766fe5e10174cddf1

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
SignatureJIYYzP6EifS/rOgu9l76UNJ1i4pOvZpjm6k9v30/duSCQYIxzpk71V2eli/Wmm6JOTHlnZPHyrW0u3G4meRCAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:21.137311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007156
observed b4ccc13a5fc9d80d9d6b54508dc5f061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:21.002070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007156/manifest.json
observed 5b405ad9136888c0e298e94df4898c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:20.988982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007156/publication.md
observed 704ab96c526afb0515e93947ededb9fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:20.976587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007156/publication.txt
observed f2f23a88165934fc530ffa462aab4c0e...
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.