OpenTechnical

OT-2026-000084009

Publication integrity record

Three bellows 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-2026-000084009) never changes.

Identity and time

Publication numberOT-2026-000084009 · never reused
Internal UUID01a0ae98-5b5d-7d9d-8689-b8a22534887a · 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-2026-000084009
StatusPUBLIC

Content hashes

Canonical textbc05228ec141fac86c950dc0ce1e4aea5f184626eef36377803d86c389559b0d
Markdown97580f2940758f1d9910cf37659f11309f6245e913f7237a09b9cbdabb5cd05a
PDF
Publication page0858b0faf98daf0ce56bf8118e2af5478c03dad4729634df8403105b190f3782
Manifestf5a23876b1c32a627587c38e74661cd1137ae4c6cfd60a0c633df3cf588e349b

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
SignatureNB8zPsK62gYNbmx7NyrNciwrBzoQa2ssOHxHUwyEiFQ49zLiNr5/DHlluksrTkQS1xWs+r3PGeUUhlmTMBMFCg==
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

2026-09-17T09:55:43.623208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084009
observed 0858b0faf98daf0ce56bf8118e2af547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:43.604556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084009/manifest.json
observed f5a23876b1c32a627587c38e74661cd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:43.586309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084009/publication.md
observed 97580f2940758f1d9910cf37659f1130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:43.567941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084009/publication.txt
observed bc05228ec141fac86c950dc0ce1e4aea...
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.