OpenTechnical

OT-2026-000015546

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line 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-2026-000015546) never changes.

Identity and time

Publication numberOT-2026-000015546 · never reused
Internal UUID01a0ae6d-ef4b-71e4-9605-1f489d153122 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015546
StatusPUBLIC

Content hashes

Canonical text22b98fec3b9fdc72b172ad3de25433933fe8e0cdaf2baa887b181b8d9ab48b1e
Markdownb543f2f7fffb681256727436022e20d7b6efde39ff857056a63064f353e39384
PDF
Publication page6a814d3efeb6595556c55a1b0c77c4a475188503f2758d3da78d32be2f684c61
Manifest376c9262f5deba5c139c758f42819c54ebb077a2afa4e6409ac5f1cec738b3bf

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
SignatureVnhw86GiEEV21IWedB6LUpG451FLELDpccZDxlkGT/+hOR+g6HWHWLlFapuVw7aZovnsDW+2uDAikpilGCoKBg==
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

2026-09-17T12:06:19.805195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015546
observed 6a814d3efeb6595556c55a1b0c77c4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.785733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015546/manifest.json
observed 376c9262f5deba5c139c758f42819c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.765321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015546/publication.md
observed b543f2f7fffb681256727436022e20d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.743761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015546/publication.txt
observed 22b98fec3b9fdc72b172ad3de2543393...
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.