OpenTechnical

OT-2026-000015461

Publication integrity record

Three cup 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-2026-000015461) never changes.

Identity and time

Publication numberOT-2026-000015461 · never reused
Internal UUID01a0ae6d-ef4a-7f20-b210-641abc073e5d · 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-2026-000015461
StatusPUBLIC

Content hashes

Canonical text2b52ec37f360fd6ca665d9a75f6da26f4a446bb9393624d6afa69d939997a009
Markdown5f5b5419de8cbdcc3c47ce6b3ed050d4004a60ef6cb5fa23b32606864f8a8d1d
PDF
Publication page64df06136a96e70c4076f035e439ca4edf7a415ec6a366b0015a3ace1463d31a
Manifest34100a2cc068fb17c0e28df848447d8d57930403d62d1c13c90386815aeb6dd0

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
Signature6bV+nfVC7q0lNgdFyN8kcIyeU09Av/DxTvEIGmeDfAL1hilgST3B/eka0LyckJCFNsF0seod2FMYEUdhMSNRDQ==
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

2026-09-17T12:06:12.769931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015461
observed 64df06136a96e70c4076f035e439ca4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.750903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015461/manifest.json
observed 34100a2cc068fb17c0e28df848447d8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.730745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015461/publication.md
observed 5f5b5419de8cbdcc3c47ce6b3ed050d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.710900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015461/publication.txt
observed 2b52ec37f360fd6ca665d9a75f6da26f...
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.