OpenTechnical

OT-2026-000027301

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000027301) never changes.

Identity and time

Publication numberOT-2026-000027301 · never reused
Internal UUID01a0ae72-6997-7c99-aad7-f052ad6d38ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027301
StatusPUBLIC

Content hashes

Canonical text9d948134609241fe6171943f8868cc4c585ae950571acaaa17f1e95a567e6fd9
Markdown952b440f238c84d2f25d9b73084a2249233a7de3500c1be6d6293e99620c3625
PDF
Publication page62912157a297a86b89173065aa4c6cebd61b4942aac21b689c30a8ea9168d3cb
Manifestf474f769685babed371b4a481931deb4e15b2f4240a7ba4842fdaa87c4b961c7

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
Signaturepr1EA0j/yIbqThLeX0FLXJN3+Zga8k8PVMqPcOqduH8LipA9UrF9QE5dAdJDafsbMgO6jXi+5ueO+bJPV8T0DQ==
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

2026-09-17T11:42:41.502947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027301
observed 62912157a297a86b89173065aa4c6ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:41.483334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027301/manifest.json
observed f474f769685babed371b4a481931deb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:41.465497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027301/publication.md
observed 952b440f238c84d2f25d9b73084a2249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:41.448193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027301/publication.txt
observed 9d948134609241fe6171943f8868cc4c...
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.