OpenTechnical

OT-2026-000075968

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000075968) never changes.

Identity and time

Publication numberOT-2026-000075968 · never reused
Internal UUID01a0ae94-2a00-7e0a-a682-57722a5ee324 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075968
StatusPUBLIC

Content hashes

Canonical textf687986ff3c1150bcc1973b57765f16ada49d2e1340419f3fd9c543dc65a54d6
Markdown30a9a84857471abb2fc1c04afb397e18992f1db5735396cb99f909ea635f7683
PDF
Publication page63d89a60978320e82b5983430aaee0b5f4dd620ee7ea16aeb97a622af3d9555c
Manifest197f1defb5b358cccdeff01945feb765f94cee42baa0fc1f1f0a64937a4188ea

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
SignaturemRAUY6DXsJBDpZst6YyEHIkO5ebF4bHrqdoZT6bUw3Y6ia7i0EgDtSrl8wqcqnNnYwjH+vnRIzM/Kt32oSb3Cw==
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

2026-09-17T10:20:12.480963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075968
observed 63d89a60978320e82b5983430aaee0b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.461517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075968/manifest.json
observed 197f1defb5b358cccdeff01945feb765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.440306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075968/publication.md
observed 30a9a84857471abb2fc1c04afb397e18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.419709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075968/publication.txt
observed f687986ff3c1150bcc1973b57765f16a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:58.952434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075968
observed 63d89a60978320e82b5983430aaee0b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:58.809585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075968/manifest.json
observed 197f1defb5b358cccdeff01945feb765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:58.790619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075968/publication.md
observed 30a9a84857471abb2fc1c04afb397e18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:58.772465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075968/publication.txt
observed f687986ff3c1150bcc1973b57765f16a...
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.