OpenTechnical

OT-2026-000062217

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000062217) never changes.

Identity and time

Publication numberOT-2026-000062217 · never reused
Internal UUID01a0ae8c-0abd-7eed-9528-d14373bf98d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062217
StatusPUBLIC

Content hashes

Canonical textede7bf55b71c7d20d4ed01e43d4dd8f151740434c006592e62ac6dad8f062087
Markdown8c59fbb3f462205c3f19b95efde9f47ba7973c211acc1940d40bd3d52698238c
PDF
Publication pagecd15f66a22b1492144831523d7b699e96cc110d08ed6e57f88a7a15c2e6c2e0b
Manifestc02217b40683e97c326ee1a991d8afd610a621cf0d24de8c2cc1328dd53adcd1

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
SignaturenfA6Rf1lWkotScqLOHbj2XOdgl1l2o1sDVTTSAt6b3xCt7fl4givZW4N/C9+rVnHjp2Cz1BqFu6n9na6nsQTBg==
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

2026-09-17T10:39:29.268466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062217
observed cd15f66a22b1492144831523d7b699e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:29.249737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062217/manifest.json
observed c02217b40683e97c326ee1a991d8afd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:29.231607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062217/publication.md
observed 8c59fbb3f462205c3f19b95efde9f47b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:29.211747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062217/publication.txt
observed ede7bf55b71c7d20d4ed01e43d4dd8f1...
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.