OpenTechnical

OT-2026-000026312

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000026312) never changes.

Identity and time

Publication numberOT-2026-000026312 · never reused
Internal UUID01a0ae71-f4a6-7a43-9330-117a285a39ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026312
StatusPUBLIC

Content hashes

Canonical textaf334c9ad93c30e8b9e8b8b34c587c08c2c8679b4461fdc049704ba7bbd1f89f
Markdown97bbc3278073e4d0a09c66a6b0d8e967275227e2adb5c5379f8c369ef409f875
PDF
Publication page9d35b4cea325966e0221953dd5565eba88281e18650001748ef6e48907a91531
Manifest590758b82da570bba7c5bd834f387efd2bac5f5c0b6efbc8cce5aa22e49e93b2

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
SignatureZajWV7EM4xdJMh51NPSwKSP1Yb48wWG0wDb57rqtRkjaO18xWDgkpZpMSjFBUVl++6I444KUaKwzXFS/SYDVCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:15.935587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026312
observed 9d35b4cea325966e0221953dd5565eba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.918569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026312/manifest.json
observed 590758b82da570bba7c5bd834f387efd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.902478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026312/publication.md
observed 97bbc3278073e4d0a09c66a6b0d8e967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.886082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026312/publication.txt
observed af334c9ad93c30e8b9e8b8b34c587c08...
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.