OpenTechnical

OT-2026-000037081

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000037081) never changes.

Identity and time

Publication numberOT-2026-000037081 · never reused
Internal UUID01a0ae77-7740-7401-aaec-ea67cd3d9f4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037081
StatusPUBLIC

Content hashes

Canonical textfd3a6b14093397eb4cc9ada54f91b7233dc90a5eaae6812fed7cd96409cdfa59
Markdown3dd87ff59a2793b63e60e71c47cf40e8ed486ea664f1d11cb6a4fef4747c40ba
PDF
Publication pagee176ee5dfbe6e10c11649338fdee0b4069fd0aafa34cc492dbf08ac1cf55f936
Manifest66e66f7866d154991916438c1deb1412197cef3fa28b048acdfda8d769207f08

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
SignatureEzIiQie1P6Ltl14ApbO+NDdomNTCHKbb2/xrxVxMns393SkxUw2xcArZTSx0e2zTNGMcBoojslaUbBmyfzuVCQ==
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

2026-09-17T11:24:56.366238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037081
observed e176ee5dfbe6e10c11649338fdee0b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:56.349620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037081/manifest.json
observed 66e66f7866d154991916438c1deb1412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:56.331910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037081/publication.md
observed 3dd87ff59a2793b63e60e71c47cf40e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:56.313242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037081/publication.txt
observed fd3a6b14093397eb4cc9ada54f91b723...
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.