OpenTechnical

OT-2026-000080015

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, sustained blow-off before set-down

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-2026-000080015) never changes.

Identity and time

Publication numberOT-2026-000080015 · never reused
Internal UUID01a0ae96-4377-708b-a844-af91db9b3e02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080015
StatusPUBLIC

Content hashes

Canonical text71f435995d6e401b16da8e8adfd56573e8a68872d4a8c2d549eb11369909e7c9
Markdown5d3443d73bf2eba6c093d46a3a08d00853982a1dd8ace619c260963f5b63b112
PDF
Publication page9773b3d11fa017ebca3a2a057c9dfd8b39fccb04491985e974da0f5d204e5dbc
Manifestc2fe5046511aba27de5bae5f7c4f2d463a9ab6efa84d79be39022ad21713304e

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
SignatureBtM4fNbsQdYf3A4W71qzXg+idYfTFc7dPu2bwbk7ezmSbgsQJkjktJHtfX8eubIqZrCqLLYOlej0eYuEdQ9RAg==
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

2026-09-17T10:03:25.668193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080015
observed 9773b3d11fa017ebca3a2a057c9dfd8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:25.651535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080015/manifest.json
observed c2fe5046511aba27de5bae5f7c4f2d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:25.632971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080015/publication.md
observed 5d3443d73bf2eba6c093d46a3a08d008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:25.612738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080015/publication.txt
observed 71f435995d6e401b16da8e8adfd56573...
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.