OpenTechnical

OT-2026-000020009

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump 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-2026-000020009) never changes.

Identity and time

Publication numberOT-2026-000020009 · never reused
Internal UUID01a0ae6f-1fb7-77eb-bfc2-81c87024b5aa · 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-2026-000020009
StatusPUBLIC

Content hashes

Canonical texte2f20ad3a4f80a7792f33c2ab962968e7abdea36d112231ee31a36d6d4963619
Markdown9405e1c6d9b81da54ece2693098f50d07c608bd08278255b48dcf6023444b0ce
PDF
Publication page52a4dca97926f3571a05bdd54c61a8b8ab3a8ae66f3b0865938edb2062e02393
Manifest726424764eb4697cbe046ddefd4b67d243d5282feab69240dc81b222ec631f94

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
Signatureqo9EqOUIqQvrUnnQEdjIrRtqMKmkexm/3BADlGDRTt9GHfRNp9CLgWOkpss59UUehGfbiAH1zhCfy9F4gtGeCw==
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

2026-09-17T11:58:15.558915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020009
observed 52a4dca97926f3571a05bdd54c61a8b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:15.541233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020009/manifest.json
observed 726424764eb4697cbe046ddefd4b67d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:15.523452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020009/publication.md
observed 9405e1c6d9b81da54ece2693098f50d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:15.504209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020009/publication.txt
observed e2f20ad3a4f80a7792f33c2ab962968e...
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.