OpenTechnical

OT-2026-000014689

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000014689) never changes.

Identity and time

Publication numberOT-2026-000014689 · never reused
Internal UUID01a0ae6d-d093-7150-aa77-d261983f4c65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014689
StatusPUBLIC

Content hashes

Canonical text340ff05e69f67fa03676c8c19893b261acb08923f470a24385a025e139faf31e
Markdown7fe48eb26a873097d6c04c18b791648dca6ca4ab5fe79b897b2d6980d2f0c500
PDF
Publication pagea735bafe22127b1da0bc7bad2cc771929e27ea6ba3fc6cd90f98b8177417e484
Manifest487345105aa4c0225684dd6af36590aee711167ddbe9fe4a8eaf4f7e40b863ef

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
SignatureoTJLbEWsxU+uvRAtfUUAxuw6+jndgPbr0+Rv5o1+zWDLZSgsmCk9DIEjom2tZWNt98YyN5qSGsdJsTftTgfqBA==
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

2026-09-17T12:06:32.721006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014689
observed a735bafe22127b1da0bc7bad2cc77192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:32.701772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014689/manifest.json
observed 487345105aa4c0225684dd6af36590ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:32.683220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014689/publication.md
observed 7fe48eb26a873097d6c04c18b791648d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:32.660405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014689/publication.txt
observed 340ff05e69f67fa03676c8c19893b261...
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.