OpenTechnical

OT-2026-000009929

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000009929) never changes.

Identity and time

Publication numberOT-2026-000009929 · never reused
Internal UUID01a0ae6b-cb79-7f20-90fb-c685460235bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009929
StatusPUBLIC

Content hashes

Canonical text0e702c62eac27c24e272f82106ff51ab41c17fd329e76db4d9aa321ced1da74b
Markdown9bf0dfb6a350e2bb46c7796a690809ba0c7c46cbf3b9c5c60e3cf110d833ce43
PDF
Publication pagedbc1804af9a69218aaa68e0218e11a23ba1eec417823009bc9ab8293e1a008ae
Manifest9ae0b554dec84d6c0851022e1e7da0db5684e3f626b71880c84b64ce288f81a3

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
Signatureg3xuwOIaWZggYRzlsE5VZRmyZly5qUkJaj5UtQKbrIGj1D59iS8flRUOWy4+h8qo6Qo52PGJSlfZTmIVRQ11Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:46.461277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009929
observed dbc1804af9a69218aaa68e0218e11a23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:46.442360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009929/manifest.json
observed 9ae0b554dec84d6c0851022e1e7da0db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:46.422405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009929/publication.md
observed 9bf0dfb6a350e2bb46c7796a690809ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:46.401285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009929/publication.txt
observed 0e702c62eac27c24e272f82106ff51ab...
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.