OpenTechnical

OT-2026-000031730

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000031730) never changes.

Identity and time

Publication numberOT-2026-000031730 · never reused
Internal UUID01a0ae74-bad0-75e7-a345-0a90c7a335d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031730
StatusPUBLIC

Content hashes

Canonical text3c5c26381ef15be1872b9a697890d01fa4b4e5074ce165d10b974ff9e05292e9
Markdownc7f3f84854528ca4023c671fbeba9f6b33b98eec7b64f81cb83cd4470f7657c3
PDF
Publication page112669569c8789989ae525ed656210d12e262364e545e0ae867a6b032abf3663
Manifest0d0f91053084c9ab4049b32d558556fe00c4483780bc2910db42be1e98771ae9

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/kjNbDiErVDgZoLZOhbHjDRjqaxsOdlQ3i1F5P5UiapOAmznaLNivxFw/JIayyBtTcmzfwjJeHgKtBTyS4HtDQ==
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

2026-09-17T11:34:50.664946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031730
observed 112669569c8789989ae525ed656210d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:50.646756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031730/manifest.json
observed 0d0f91053084c9ab4049b32d558556fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:50.628760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031730/publication.md
observed c7f3f84854528ca4023c671fbeba9f6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:50.611418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031730/publication.txt
observed 3c5c26381ef15be1872b9a697890d01f...
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.