OpenTechnical

OT-2026-000017936

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000017936) never changes.

Identity and time

Publication numberOT-2026-000017936 · never reused
Internal UUID01a0ae6e-96fc-7d03-a64f-41b76c0ea36c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017936
StatusPUBLIC

Content hashes

Canonical textcdffc7edb2fdda413095d20377c8c22dd719a896e7021bf85e93657f7848cc32
Markdown272cb546656719f477801e78c9398ca175cde4ff474c1ff8d7c5598d4dc60f41
PDF
Publication page514d8bd23e9ba4f10938a97deb0cfe07d836ffaaa676c8f87ff804ddac6fbdb7
Manifest5324c1d856f6ed681314e03c87539dc49e48368a0dd1478889c0864724f4b4ff

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
SignaturenrzqMOTxYq+2R+bOs8XF3cEJKeNzmi3Hog+Ob4qon4uzon+276xdKaAyvPZag3dA+QQatfgf3NDRbDvODXB8AQ==
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

2026-09-17T12:01:55.968193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017936
observed 514d8bd23e9ba4f10938a97deb0cfe07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.949737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017936/manifest.json
observed 5324c1d856f6ed681314e03c87539dc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.930751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017936/publication.md
observed 272cb546656719f477801e78c9398ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.913075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017936/publication.txt
observed cdffc7edb2fdda413095d20377c8c22d...
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.