OpenTechnical

OT-2026-000084039

Publication integrity record

Three cup vacuum gripper, three 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-2026-000084039) never changes.

Identity and time

Publication numberOT-2026-000084039 · never reused
Internal UUID01a0ae98-5b5e-7fcd-8318-7fd214d3df27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084039
StatusPUBLIC

Content hashes

Canonical text0a540c316078b92334a33ad3b39735e7b462d8ecfee0bf67dd87d48f3fef3c35
Markdown5ff72bbffd74385df69758a40793d11638811865fb1d65e119e8d7b56462f41d
PDF
Publication page97598475019fe397fc45aaded9666060e606c780d4c399b828fb3a236ed39408
Manifestbf028863e8502117c7b636efa712037c263859018c611034805dd1317dd6ef63

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
Signature2M0kUgmgMX6W/3KwUULRbafRZ2LyDsmZezfUNowCMKVq59n8bJtfeIDCm+UgLJk1RV9tpMaq93CebCa4ObggDw==
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

2026-09-17T09:55:46.113077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084039
observed 97598475019fe397fc45aaded9666060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.096769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084039/manifest.json
observed bf028863e8502117c7b636efa712037c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.080773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084039/publication.md
observed 5ff72bbffd74385df69758a40793d116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.063842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084039/publication.txt
observed 0a540c316078b92334a33ad3b39735e7...
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.