OpenTechnical

OT-2026-000097797

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000097797) never changes.

Identity and time

Publication numberOT-2026-000097797 · never reused
Internal UUID01a0aea1-92f6-7642-bd35-e5c90a041f52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097797
StatusPUBLIC

Content hashes

Canonical textd401e208e4d2b6d09e9558785182a86a4787c889f2e7c41e0d0449b7644fd3ff
Markdown8adf6338d7a2bbd5c51919cdda8e7b2c63bb24ae242a28392aa96bcc206f0a9f
PDF
Publication page3cb0f77fdcdd6517b337bc1a90ac2331d0d944abfc32021bad96130eb7b2b674
Manifest43da8030677200d94ea0498ef0307e73a5911de0ab90785cd9a77a22b4669d87

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
SignaturepeUihR/oDewZ4VdP/1ie0HGPCJgJmcleNXzLeg6k/SxDC1CAGQ75LiC7VSWtlXIA/d1MxNCiXEgifTxTDJI3Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:52.863203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097797
observed 3cb0f77fdcdd6517b337bc1a90ac2331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.846417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097797/manifest.json
observed 43da8030677200d94ea0498ef0307e73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.699962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097797/publication.md
observed 8adf6338d7a2bbd5c51919cdda8e7b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.681567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097797/publication.txt
observed d401e208e4d2b6d09e9558785182a86a...
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.