OpenTechnical

OT-2026-000015225

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000015225) never changes.

Identity and time

Publication numberOT-2026-000015225 · never reused
Internal UUID01a0ae6d-ef48-7dc3-8bf2-f86e77dbc037 · 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-2026-000015225
StatusPUBLIC

Content hashes

Canonical text724b6279538971b13c7a978e8e199f5e0e87bf2c71e1d49ab06a14c1c537cf56
Markdownfd2ab8b24c62e5be02e0047f26cb595ea351803c4cf0c446d8b8bfef65d90372
PDF
Publication page7b29e4cc9c78e717342637413c4b70899cda4f50815cc9ab0cceb8ae34190475
Manifest1f711c49e2a57ee8d8100d77a3f371ebbae6e1988e1eb8b2922b51e5efaa0792

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
SignatureYut9/hgA0bYsO3Jq+p9TRMs/wOYmTl1PTWCS92bKQzKMSCHgM6WkfYU/tUq1trhBwbDSe/ORx7MMeZ/Ut8dKDQ==
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

2026-09-17T12:05:51.941416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015225
observed 7b29e4cc9c78e717342637413c4b7089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:51.922699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015225/manifest.json
observed 1f711c49e2a57ee8d8100d77a3f371eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:51.905039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015225/publication.md
observed fd2ab8b24c62e5be02e0047f26cb595e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:51.887364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015225/publication.txt
observed 724b6279538971b13c7a978e8e199f5e...
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.