OpenTechnical

OT-2026-000085863

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, 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-2026-000085863) never changes.

Identity and time

Publication numberOT-2026-000085863 · never reused
Internal UUID01a0ae99-e829-71e6-a1aa-7dea8e088954 · 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-2026-000085863
StatusPUBLIC

Content hashes

Canonical texte56f053fb5f75975fb3232f01e7c0e1ccfdd00c0aecaf32590bce35550d41b86
Markdown4bc5b227123da7b6eef5f92609e1501b6717587735447da4e5545ea2cacf9746
PDF
Publication page119ebeba0d249c7f5277011a574ba426753da6f7c1f515ddf7796c747cfcb80e
Manifest799ab5ab05edf39e80d30d23fc0efe24b3a33aa0f81ade23f1773db73b06465f

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
Signaturesi3cGybfr3eL861QS3g42HhareOkTYHJOFH5WGzPhTBHLP5NCy5rNmPeV1piwgdU/F3QSY1z1FD3RbojUkwwCA==
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

2026-09-17T09:52:47.616933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085863
observed 119ebeba0d249c7f5277011a574ba426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:47.597731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085863/manifest.json
observed 799ab5ab05edf39e80d30d23fc0efe24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:47.580456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085863/publication.md
observed 4bc5b227123da7b6eef5f92609e1501b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:47.561443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085863/publication.txt
observed e56f053fb5f75975fb3232f01e7c0e1c...
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.