OpenTechnical

OT-2026-000015178

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000015178) never changes.

Identity and time

Publication numberOT-2026-000015178 · never reused
Internal UUID01a0ae6d-ef47-73d5-bd6a-ce11a2196bcc · 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-2026-000015178
StatusPUBLIC

Content hashes

Canonical text7bdde8c5a61d3ebd2370eb5f454881a590fc1261e494d00ccf4b6780fb577c41
Markdown28ba80d42212cf7b72780b8ca8db1dab6ba0e7054e821f8ab203e6c585f4974c
PDF
Publication pagec5abdc8a538b90d4cf4c9463e9882c0d7fb7c84e4a5079ba70f2c9d21178801a
Manifest36fed3b3a309f445f80391b1d1fcbe3a6437b57db300080a91f60d3349d4bbab

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
Signature8wKMm0W6N0ZiztnVKw5OY5nl7MpCJfFXORt8rbnWbismyUMIfLFuma/c5L+C+9URIQ7RWOA/PN0NZxkXlzibCA==
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

2026-09-17T12:05:48.004769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015178
observed c5abdc8a538b90d4cf4c9463e9882c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.986048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015178/manifest.json
observed 36fed3b3a309f445f80391b1d1fcbe3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.967208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015178/publication.md
observed 28ba80d42212cf7b72780b8ca8db1dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.947674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015178/publication.txt
observed 7bdde8c5a61d3ebd2370eb5f454881a5...
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.