OpenTechnical

OT-2026-000037820

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000037820) never changes.

Identity and time

Publication numberOT-2026-000037820 · never reused
Internal UUID01a0ae77-f889-720d-86a1-7891b6f45aa3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037820
StatusPUBLIC

Content hashes

Canonical text2d50517ba0f2aa31ba37265be35dc0f53e81eaaa39f8910d4b89973e181978bb
Markdownd14ab8226a0ddbcd7eec13bfc141df6ffb61ce4e8f0d8743b7dd9f6baa4d0d62
PDF
Publication pageca946aad566c7b4b8b650992a1e96622fd04a121afe9349c72a9f2703711144e
Manifestd4bd8db9b91c97a165b88cddc9bd22458b3c3f6721cb0a04ebb7c571519e29c7

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
SignatureavCT7GWVPNsP4YZGhP/UWSt2/Mvou5C0Fjhvng4uSf8g37YA9orndFchaCp7L2ym0qAqnqoAIWtj4MY+4ODWAA==
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

2026-09-17T11:23:04.257556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037820
observed ca946aad566c7b4b8b650992a1e96622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:04.242022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037820/manifest.json
observed d4bd8db9b91c97a165b88cddc9bd2245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:04.224511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037820/publication.md
observed d14ab8226a0ddbcd7eec13bfc141df6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:04.205865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037820/publication.txt
observed 2d50517ba0f2aa31ba37265be35dc0f5...
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.