OpenTechnical

OT-2026-000084388

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000084388) never changes.

Identity and time

Publication numberOT-2026-000084388 · never reused
Internal UUID01a0ae98-5b62-7bf1-a69b-7635a45c9246 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084388
StatusPUBLIC

Content hashes

Canonical textb7019b5b00e4c3016fae1dcd3314d2c1bb61f86c2cd36b187c6fd6773bd28497
Markdowna4146721e74da2ec53c13f8ffc7c07f8be061391b85d517c2c431db9ec3e1286
PDF
Publication page8564a53a98195b75899619fdf9d496f61b5312461c11c51993f01e730c82137d
Manifest5df3ee10d7fcffb6b62689b89a9b406ac1d8603d53956db3a89e2a7dddbdc128

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
Signature/RHTifXNBTe01FuYfeZQrA3jvBlh3EUjIJj3T5Y/3w0RnUNrtNlQqnZU6VKMpdffaRFxImxuiQXsf52ld2PAAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:19.803910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084388
observed 8564a53a98195b75899619fdf9d496f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.787979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084388/manifest.json
observed 5df3ee10d7fcffb6b62689b89a9b406a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.769942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084388/publication.md
observed a4146721e74da2ec53c13f8ffc7c07f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.751038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084388/publication.txt
observed b7019b5b00e4c3016fae1dcd3314d2c1...
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.