OpenTechnical

OT-2026-000095775

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000095775) never changes.

Identity and time

Publication numberOT-2026-000095775 · never reused
Internal UUID01a0ae9f-fac6-7294-8fc7-25fedc578a66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095775
StatusPUBLIC

Content hashes

Canonical textece56922ced37b26ab1d42be0d2b547dab2ad22a3a0ff2e7a3fbecba67e3402d
Markdown81bb507651981d7726db5e178e404286f7cf31d4fca80762cc1e1ef8c4fb19ab
PDF
Publication paged17bb2278e81657bb937892d914c9283a57ab496cbce194c6573e4d162eeb083
Manifestc60bcfd0d3d5d4327d83de11ec6dab2989574b5f4ff63effeea604f7a464af37

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
SignatureHBUCRTQ5aR4wJEQoUlkqfBPX41KcAZb0rrJumFzZkpQTnGGofKk1H6ghQHECyWuqM2QA3C1uYHvErfwBipmnDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:50.509393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095775
observed d17bb2278e81657bb937892d914c9283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:50.489809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095775/manifest.json
observed c60bcfd0d3d5d4327d83de11ec6dab29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:50.472078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095775/publication.md
observed 81bb507651981d7726db5e178e404286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:50.454156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095775/publication.txt
observed ece56922ced37b26ab1d42be0d2b547d...
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.