OpenTechnical

OT-2026-000052402

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, vented 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-2026-000052402) never changes.

Identity and time

Publication numberOT-2026-000052402 · never reused
Internal UUID01a0ae83-e792-73cb-8ad8-c02f9e5bfb39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052402
StatusPUBLIC

Content hashes

Canonical text37a695bbab229a0330b0877f753ca8c47aa8d4ab5f444c9b471c98be3512a4ed
Markdown0f785a973b5c063ce72cf7c85418ff4beade081ddf9fc09ce2727c3dfd8130c1
PDF
Publication page1cb167fc35c88ad4fd29610de9ad65b86122b71a26fd33fc6717c14db7ba7894
Manifest3322d90911b8fa3d5d44406216a897cd077168838df2ad4861d9ecd20ebbf064

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
SignaturePPTBdUwNRqcvgqL2uECPmvd14Y+klqgSDJAOXahCq0fsA6XKz1pZTBlBB8rEr6Ucz/V4P+EfasruJPaJpht3Bw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:06.648107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052402
observed 1cb167fc35c88ad4fd29610de9ad65b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:06.631429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052402/manifest.json
observed 3322d90911b8fa3d5d44406216a897cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:06.613587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052402/publication.md
observed 0f785a973b5c063ce72cf7c85418ff4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:06.595194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052402/publication.txt
observed 37a695bbab229a0330b0877f753ca8c4...
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.