OpenTechnical

OT-2026-000083797

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000083797) never changes.

Identity and time

Publication numberOT-2026-000083797 · never reused
Internal UUID01a0ae98-0417-7605-b8a7-00e93cdde906 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083797
StatusPUBLIC

Content hashes

Canonical text44f0c456e898a3ae60a393908a543a2ace037220041328f27338634b7bcf216b
Markdown604c0115eb4dcd53888035872cacb5044e9d9fef8044f0b62ac450eba64425c3
PDF
Publication pagee894bedf4c9d645e4655ab7aa8fc36ccbe8bdbcfa9a032eba868027e30d26f01
Manifest372ae3965204bfb80fa553f8c60d43115f2af0ba3ef719ae06c5a15301758ccd

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
SignatureLKOGhiz3GiqGwmHJnXxBM0ZWMowr3sioEXHlKQl84QZGMGhtryJUF/YQVxpsWnpnMUkysgFG5ARrrHKRmrC1Cg==
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

2026-09-17T09:57:26.616974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083797
observed e894bedf4c9d645e4655ab7aa8fc36cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.599215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083797/manifest.json
observed 372ae3965204bfb80fa553f8c60d4311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.576028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083797/publication.md
observed 604c0115eb4dcd53888035872cacb504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.559291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083797/publication.txt
observed 44f0c456e898a3ae60a393908a543a2a...
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.