OpenTechnical

OT-2026-000084442

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000084442) never changes.

Identity and time

Publication numberOT-2026-000084442 · never reused
Internal UUID01a0ae98-5b63-733b-ba14-4bf5e5a5c9cb · 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-2026-000084442
StatusPUBLIC

Content hashes

Canonical textfdbef1ce3ff11a616f2d1277fc16d950fe08f3f4ee16191274d861f110d19dfe
Markdown32e881f5985f42b62465a050a8f61c3f053fe17e7f4b65196903bc76bf5be903
PDF
Publication page7f9ea85c5d4f74e07a3a75563160ce89a77cb9fe0b1399dfca907935d04bd822
Manifest0acb94ae70bd7c0006d820ad43ef1da4304be4d28a36fd1c90157f29db4f79b3

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
SignatureJl4ovUIafog9GBRL8hjGtjtzpHKmSyWiRTXWMc3rUte5s5rcV0wBz5/oVqD/gSfOlq1aV1Ms+hINI4X0gty4BQ==
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

2026-09-17T09:56:23.913633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084442
observed 7f9ea85c5d4f74e07a3a75563160ce89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.897278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084442/manifest.json
observed 0acb94ae70bd7c0006d820ad43ef1da4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.877275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084442/publication.md
observed 32e881f5985f42b62465a050a8f61c3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.860867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084442/publication.txt
observed fdbef1ce3ff11a616f2d1277fc16d950...
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.