OpenTechnical

OT-2026-000043571

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000043571) never changes.

Identity and time

Publication numberOT-2026-000043571 · never reused
Internal UUID01a0ae7b-92cf-7245-bddf-7aed8ac75990 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043571
StatusPUBLIC

Content hashes

Canonical text51b8bb8d93cda9d8e871db75ee37b3b2df1a9d5975b5442cd5ca42003922f775
Markdownda14f66f29e4bf6194e17fc2ede54570dddc1400cc24f3c0fe9ab9cabc884bc5
PDF
Publication page65252e5d20a7ad446ea3ca604d3ff20871bf03f1d1c9bd65df5133c53c950847
Manifestc3dbd3022226d465fb6211a6af4b8b5383095d90c9f91cb44393a4e701372172

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
SignaturedTYS64wbEIlDU2oVgJsS2d6E3vQzStB66/0zXYfrEA0rcBduHXU5qaqGnQyCwzTgXRWw52TSetIINHDeivVnDA==
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

2026-09-17T11:12:58.016674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043571
observed 65252e5d20a7ad446ea3ca604d3ff208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.997836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043571/manifest.json
observed c3dbd3022226d465fb6211a6af4b8b53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.979671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043571/publication.md
observed da14f66f29e4bf6194e17fc2ede54570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.960195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043571/publication.txt
observed 51b8bb8d93cda9d8e871db75ee37b3b2...
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.