OpenTechnical

OT-2026-000017339

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000017339) never changes.

Identity and time

Publication numberOT-2026-000017339 · never reused
Internal UUID01a0ae6e-76c8-7bd7-b1b7-7afdf00656e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017339
StatusPUBLIC

Content hashes

Canonical text296224a2178d963d9c353637ba0e9774748cf616c41401bad75ec89135655e5f
Markdown21ca60050b5efcaa95f4dcab9a468fdf00d880492c4012871680de0ddd38c553
PDF
Publication page40efee7acc40eca159c55b9ea5a17b9cddabc8d554b96bb8139bfb33c8d48e01
Manifest181f2e5db343859c6615835e4b112ee628c5f94bfbe48a6838f72265f45177e8

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/gi6XsXJsDk9pA2JpALtvfauyCdY+0ldycYSzSFFG+GfaOBE5uAAk+icWq+Cs3btoK9fme1qoUXZLQICVs7DBA==
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

2026-09-17T12:02:26.901552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017339
observed 40efee7acc40eca159c55b9ea5a17b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:26.884772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017339/manifest.json
observed 181f2e5db343859c6615835e4b112ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:26.866543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017339/publication.md
observed 21ca60050b5efcaa95f4dcab9a468fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:26.848546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017339/publication.txt
observed 296224a2178d963d9c353637ba0e9774...
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.