OpenTechnical

OT-2026-000031066

Publication integrity record

Foam pad vacuum gripper, two stage ejector, pulsed blow-off after 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-2026-000031066) never changes.

Identity and time

Publication numberOT-2026-000031066 · never reused
Internal UUID01a0ae74-3fb8-7951-a702-9072de45eef5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031066
StatusPUBLIC

Content hashes

Canonical text46c98f1e3ab02f46ef31b1c79ee6f572f1933eea6292cd354d6a95139c7b794e
Markdown9d0faf5efa05ad645eac81bf004c1d637e75d474ca7dfcf2ca2aa5f292c3ec0e
PDF
Publication page4b880467e1b771b1b89e4feefef10e9f5407a92d6842b23cd19b0fda17aa558c
Manifest44b9a4eb0b64c40208c39b5e46369be440217a5b7e6559c05b0c04b416bb85bf

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
SignatureqT7VgINRhlgGp5HsxjcTcxdUasIp7tCyTCmNi0D812b4KHlEpIqoiZNMChPm0jt/V+F9jqr0OXkxCmpCAYQiDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:40:10.485478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031066
observed 4b880467e1b771b1b89e4feefef10e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:10.468576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031066/manifest.json
observed 44b9a4eb0b64c40208c39b5e46369be4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:10.435828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031066/publication.md
observed 9d0faf5efa05ad645eac81bf004c1d63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:10.416974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031066/publication.txt
observed 46c98f1e3ab02f46ef31b1c79ee6f572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.140890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031066
observed 4b880467e1b771b1b89e4feefef10e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.122645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031066/manifest.json
observed 44b9a4eb0b64c40208c39b5e46369be4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.106039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031066/publication.md
observed 9d0faf5efa05ad645eac81bf004c1d63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.090444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031066/publication.txt
observed 46c98f1e3ab02f46ef31b1c79ee6f572...
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.