OpenTechnical

OT-2026-000027901

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027901) never changes.

Identity and time

Publication numberOT-2026-000027901 · never reused
Internal UUID01a0ae72-a4a5-7d81-8344-ff2211fef065 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027901
StatusPUBLIC

Content hashes

Canonical texta3057076a93c8c0a82d242a948d3b793c1613f8cd99dc5e65acf91ea3a276256
Markdownb6dde24cb57f8be371362805a2b73de0e381bf1810b916df683c68010f2cb99a
PDF
Publication page65835efcf9329087020d00618e06d2e2e61b6fd14d6cbca99a09dff4768c0789
Manifest3086381b5c840fe9749895cbb82634ac8dac46f564e0dc5585e732c128b38419

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
Signature3yQV9pVY3r8CzAGBiMyGonE9gZFoy0MzBbaYsf3QjTGqlRIBNrEAflnTPyZFPuJPfLM4y/pMIUWw2/S3AU8KAg==
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

2026-09-17T11:42:02.970289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027901
observed 65835efcf9329087020d00618e06d2e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.951380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027901/manifest.json
observed 3086381b5c840fe9749895cbb82634ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.932124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027901/publication.md
observed b6dde24cb57f8be371362805a2b73de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.913899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027901/publication.txt
observed a3057076a93c8c0a82d242a948d3b793...
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.