OpenTechnical

OT-2026-000086138

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000086138) never changes.

Identity and time

Publication numberOT-2026-000086138 · never reused
Internal UUID01a0ae99-e82b-7505-ad8e-a01aaaaa4de8 · 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-2026-000086138
StatusPUBLIC

Content hashes

Canonical text06623d6637baa5ce399c09ded0c6d947a024ca0ed712db34fdc5bbddfef5b550
Markdown9e67f84707a08939c6729c50a1038d80656d5927fc929691420dda18ef1ef849
PDF
Publication page9c70cd10a42d534e18bf30c2cc8ef024288101897c08371dc4549d9d9877184a
Manifeste43f5fbc538a008651e1b8c5ac308622e97ce057f8dc34d26eb8cfa181bb6bbd

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
SignaturebrYokZT8YcIYE8Hlgsjic62cceNWF7e6irGfQC077SLZjKKQsXMPakARbWyAIO+7otIC+roaQYuxyQztNsX3Ag==
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

2026-09-17T09:53:48.191897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086138
observed 9c70cd10a42d534e18bf30c2cc8ef024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.173535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086138/manifest.json
observed e43f5fbc538a008651e1b8c5ac308622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.155537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086138/publication.md
observed 9e67f84707a08939c6729c50a1038d80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.136556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086138/publication.txt
observed 06623d6637baa5ce399c09ded0c6d947...
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.