OpenTechnical

OT-2026-000041453

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000041453) never changes.

Identity and time

Publication numberOT-2026-000041453 · never reused
Internal UUID01a0ae79-b145-7cd4-9b14-593693e1553a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041453
StatusPUBLIC

Content hashes

Canonical text86bae276c105a6ffd73401e5fcb0a71acebd8871ec1e13abb2e02aeda9297724
Markdownd08efd5312697b27f2fb5303d3522c8934590083025c7e3ba8b30088e0f97831
PDF
Publication page6e76c3e348e537e7534f0de011cae03754a0c5c031e9f1ad474ada2ece232d60
Manifestb298c5f658a55a7fd6112c4d48ee70b01ab12ebc930dd6b959d1c957604a50cd

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
SignatureX7ghzbZGBbQ8SE+433vUYZxhoebkinhJu+jLVGyUR0Ro7blcJ4lfDiZvH+mYPntxFHSzVr2PXRYbltZNNaQGCg==
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

2026-09-17T11:17:28.705449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041453
observed 6e76c3e348e537e7534f0de011cae037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:28.688107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041453/manifest.json
observed b298c5f658a55a7fd6112c4d48ee70b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:28.672067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041453/publication.md
observed d08efd5312697b27f2fb5303d3522c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:28.655748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041453/publication.txt
observed 86bae276c105a6ffd73401e5fcb0a71a...
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.