OpenTechnical

OT-2026-000092988

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000092988) never changes.

Identity and time

Publication numberOT-2026-000092988 · never reused
Internal UUID01a0ae9e-090f-74b4-97ad-afb223251ec8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092988
StatusPUBLIC

Content hashes

Canonical textb651ce0a883234dc5a56e129e00f5b6bbc728beb94bae691881d9a3a1551f64d
Markdown5dec40c390604167230e4ad7b538da7ef972023ff14b689408e4575655b11fb7
PDF
Publication page53af551d4a93679cfd93665e6a290369c27ac4dfc2df8cb1cc8cf7cb66fbe32a
Manifest9e988d8eac39ce5297aa8e00b6397ed26a02ead583512a9fb33196ede1749629

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
Signature7ic+EBttW2XiGKXBq0T4tfbMmZ0ICetxL4lFaRiAdgTo8NGe8NDeXUOsWKbq/23/abwmyHjAAsPsmk/b0izfCg==
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

2026-09-17T09:40:11.378377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092988
observed 53af551d4a93679cfd93665e6a290369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:11.362173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092988/manifest.json
observed 9e988d8eac39ce5297aa8e00b6397ed2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:11.346982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092988/publication.md
observed 5dec40c390604167230e4ad7b538da7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:11.330151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092988/publication.txt
observed b651ce0a883234dc5a56e129e00f5b6b...
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.