OpenTechnical

OT-2026-000066411

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000066411) never changes.

Identity and time

Publication numberOT-2026-000066411 · never reused
Internal UUID01a0ae8e-ce40-723e-b4ef-797aa21346fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066411
StatusPUBLIC

Content hashes

Canonical text7a34b0595e9782bb4afbf1ced882ac174ab0bb4954f844d34c0e40758c7791cf
Markdowne656cb81af5d1c62d842bafe090d7f1863dce579b343e37186fc2f387c77e943
PDF
Publication page079a7998db68350c051e559ca75359b33b36f7bfb4c7a38d24da751fed2e7dca
Manifest57e4d11d2da41317a763eee39e8cc94941abba0b2d80616be23f6dd01a370e11

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
SignatureUOlVufc6Ag8F04xAllqi30BEUM5FcoKOSJNAqdmSzlLL8iK7EUWOfBlNsln27aIiKIBVECKFXxqGG1A6kYkNAQ==
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

2026-09-17T10:32:38.978914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066411
observed 079a7998db68350c051e559ca75359b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.961971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066411/manifest.json
observed 57e4d11d2da41317a763eee39e8cc949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.943481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066411/publication.md
observed e656cb81af5d1c62d842bafe090d7f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.925941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066411/publication.txt
observed 7a34b0595e9782bb4afbf1ced882ac17...
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.