OpenTechnical

OT-2026-000037476

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000037476) never changes.

Identity and time

Publication numberOT-2026-000037476 · never reused
Internal UUID01a0ae77-b8ce-725d-a4fb-a88e52f8a033 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037476
StatusPUBLIC

Content hashes

Canonical textd581cef0e2932ce9af17055ae05da2a747193d00e92c26a558da0365f56f8a6d
Markdowna4c4f7aed179d7e24dc58bc2895bb908ca63fea4e8c4d33197891e0829bba98d
PDF
Publication pagec6b6227161561b174ba4ef5e2ab156915450c161755072e1c3aa70aba798d596
Manifest99c4de6cbd5be0841c03f33154cac8b28dab39abffa053bd004b77ff6a136b1c

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
SignatureoxqKSDLwA+53fcn91P/GkkumhPp3Fr1KuftMskTFdXHYPBv/tL/lnPRH6OqtAfkJrsm2vpeH5duN1MnPjMrTDA==
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

2026-09-17T11:23:55.026859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037476
observed c6b6227161561b174ba4ef5e2ab15691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:55.010482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037476/manifest.json
observed 99c4de6cbd5be0841c03f33154cac8b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:54.992660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037476/publication.md
observed a4c4f7aed179d7e24dc58bc2895bb908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:54.975568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037476/publication.txt
observed d581cef0e2932ce9af17055ae05da2a7...
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.