OpenTechnical

OT-2026-000007077

Publication integrity record

Vacuum cup gripper, common isolation valve, four 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-2026-000007077) never changes.

Identity and time

Publication numberOT-2026-000007077 · never reused
Internal UUID01a0a971-c72f-7838-a03e-737a35ba53c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:00:01.201819Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007077
StatusPUBLIC

Content hashes

Canonical text48ae533cc24fbc19f962ac693ff899e3f1ca101997786819794c5f95c3379dd3
Markdown191d56703c41b973f43f6a9bfa91b99c1b2fb394e85b7e186e90966d8dcf341d
PDF
Publication page391aae733299710aeb680be398fac8e553a5a9b0d79de28b2e8aa9df1223acae
Manifest417cd605cc41972dfc0f539c444e0a3904028164e4513456fb0e1bdd16d6d395

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
SignatureWS6WBVP4ewOS4e4Ugr8aKrowtDN8KoJuy7RuBczYoWlB51axWBS4nmlx9xzEP5YI2VxOOJyrnSt/YhoGjcApBg==
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

2026-09-16T09:00:03.996650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007077
observed 391aae733299710aeb680be398fac8e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:03.978679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007077/manifest.json
observed 417cd605cc41972dfc0f539c444e0a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:03.965680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007077/publication.md
observed 191d56703c41b973f43f6a9bfa91b99c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:03.951879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007077/publication.txt
observed 48ae533cc24fbc19f962ac693ff899e3...
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.