OpenTechnical

OT-2026-000086178

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000086178) never changes.

Identity and time

Publication numberOT-2026-000086178 · never reused
Internal UUID01a0ae99-e82c-7073-89aa-dede9b658225 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086178
StatusPUBLIC

Content hashes

Canonical textce58e22acbfe31902f7c32cfa5cd1ef8a34c8635f1e1ee473a1ce0da705a394e
Markdowndda807b9e2a82ffce29f5ec097a0a83045f015065e225a2c4c91aab2f30d6050
PDF
Publication page913b2fcffb3a0059bf336da74e69f9567900a1070e60e9788908fae7a74f2e9c
Manifest4ac5f4c255350fa3326291ec97225ed1e2fdede9c74a34944b259a22d089def8

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
Signaturec890lPzuFnE/tkVcLLh+LXrSnJVv0InR3ZEca2M32Fsv/N5vqI293nFrFfneNgb0kPq9c8JWtkvM4pihQPJhAw==
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

2026-09-17T09:53:51.203316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086178
observed 913b2fcffb3a0059bf336da74e69f956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.187266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086178/manifest.json
observed 4ac5f4c255350fa3326291ec97225ed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.171282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086178/publication.md
observed dda807b9e2a82ffce29f5ec097a0a830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.154092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086178/publication.txt
observed ce58e22acbfe31902f7c32cfa5cd1ef8...
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.