OpenTechnical

OT-2026-000020062

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000020062) never changes.

Identity and time

Publication numberOT-2026-000020062 · never reused
Internal UUID01a0ae6f-1fb8-7ec7-b9dc-d386eaae8bca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020062
StatusPUBLIC

Content hashes

Canonical textb3b667ab9c1ca87136a507aefda7514205c3092f574bb8737d0bfc1c32d3da6b
Markdown4ce68bf0259aaa5280da0aaccb291db52ca778bbaf5e768837aae8e718de1b98
PDF
Publication pageef176cd0287e728011dd74eae55b1e36d32300eecd9f30b56ecdfe1fa638be4f
Manifest17f9045ad1804eb9c1c051d940db3b8f8d19e94b29cefa02da7612847bcc632f

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
SignatureRCB65bd3tqR+AgaFtOwpFF96prJhGst0LD9Z5Rdblii88NgcE8SZW7QCJHeeXpe0eq+iMVRd8az2iBKXuN0iBQ==
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

2026-09-17T11:58:20.069889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020062
observed ef176cd0287e728011dd74eae55b1e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:20.052496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020062/manifest.json
observed 17f9045ad1804eb9c1c051d940db3b8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:20.033956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020062/publication.md
observed 4ce68bf0259aaa5280da0aaccb291db5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:20.014181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020062/publication.txt
observed b3b667ab9c1ca87136a507aefda75142...
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.