OpenTechnical

OT-2026-000061614

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000061614) never changes.

Identity and time

Publication numberOT-2026-000061614 · never reused
Internal UUID01a0ae8b-7b45-7a36-a183-ca7d12b82f79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061614
StatusPUBLIC

Content hashes

Canonical text487009b836e8722d9c683a66c19f119007033b54599289df7819f49202f21202
Markdown83165d9db96383d059972706d5611d7e1feece160de82dcee087b7b6a48a5843
PDF
Publication pagec165c3a8b9cdcea5c44e0f1981061b720865e64f216c85c88d16c32266e3817e
Manifestba1a95a308c1a2d6c0af8a98b6e7e3cabc13347b470a837241966ea63ec3a74d

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
SignatureNDQMJ2UsZ16aUVD8u0WPEWG4o8tnNX1RQsvMjbhD/vLPqtRjkS345hMj60cXKBFJ8rqKe1ZerEtTRq1LrcRPBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:32.711155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061614
observed c165c3a8b9cdcea5c44e0f1981061b72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:32.693284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061614/manifest.json
observed ba1a95a308c1a2d6c0af8a98b6e7e3ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:32.673657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061614/publication.md
observed 83165d9db96383d059972706d5611d7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:32.656647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061614/publication.txt
observed 487009b836e8722d9c683a66c19f1190...
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.