OpenTechnical

OT-2026-000079599

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000079599) never changes.

Identity and time

Publication numberOT-2026-000079599 · never reused
Internal UUID01a0ae96-0b92-726e-8856-b68354462e34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079599
StatusPUBLIC

Content hashes

Canonical texta1235bfd590e47ab038c9c715783183745ac62562420f8e453e87c338bfff387
Markdown9e70d6a24541f7439863c96b0edbf651a4641a14755875531c8f0ff3ef736595
PDF
Publication page81ee6c09441d52fe685ccec9084a371afed327c2c5342a72ede819dc86acc417
Manifestbb2c8962ea214298d68bbc48ab4f4ffd02a1603630465a680d4416c6e13f9b48

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
SignaturePLhGgPwmMvsBy3AEx3r8u9b46bG8zuIPI7FRutR0j9Ea3+LPVLzQ6xTG2Z7GMu55g9JncwJF0xU40XNQCUgnBA==
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

2026-09-17T10:05:15.540417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079599
observed 81ee6c09441d52fe685ccec9084a371a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.523606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079599/manifest.json
observed bb2c8962ea214298d68bbc48ab4f4ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.507154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079599/publication.md
observed 9e70d6a24541f7439863c96b0edbf651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.489901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079599/publication.txt
observed a1235bfd590e47ab038c9c7157831837...
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.