OpenTechnical

OT-2026-000083165

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000083165) never changes.

Identity and time

Publication numberOT-2026-000083165 · never reused
Internal UUID01a0ae97-c962-7097-b1e3-a40d82cb9a6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083165
StatusPUBLIC

Content hashes

Canonical textb3230c1a5e7c18c39d0fc7698db47a558afb94a93b0777b6ef9db2d11d873659
Markdown091a0ec0ba13a71d521d15351b34b9b88f71e96c415fb683f0420c35620c7f46
PDF
Publication pageb610f3b1e12502b195a4f9ea568109717189740c96fe6511412a1d650ff9f359
Manifeste08f0f68792c111ed9c126a63fd8f96a636192d883bb5fa9091b40f702a986d1

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
SignaturemsqipnpbKCJYzFa9in1/P50AvXmeGpp0B7Bmw00hnQirAQ17HUPpqgxlv+9hZyYiuBzK5rwicuZcwmuonAgDAA==
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

2026-09-17T09:00:55.911386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083165
observed b610f3b1e12502b195a4f9ea56810971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:55.894104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083165/manifest.json
observed e08f0f68792c111ed9c126a63fd8f96a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:55.877157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083165/publication.md
observed 091a0ec0ba13a71d521d15351b34b9b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:55.859542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083165/publication.txt
observed b3230c1a5e7c18c39d0fc7698db47a55...
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.