OpenTechnical

OT-2026-000069977

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069977) never changes.

Identity and time

Publication numberOT-2026-000069977 · never reused
Internal UUID01a0ae91-1861-7fe7-8f32-1d5f96e5a826 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069977
StatusPUBLIC

Content hashes

Canonical text240a37650f5a19848e5036605c95f9a1e88158a96218e6be1fc860ba6913fde6
Markdown5e28b394d850664dc494be5947537122f7082640c3546248409bcff440a3ea7a
PDF
Publication pageb53137c92b0f78e0e089554b979fd28c68281a39cf241e1513f2c57f9df4f8ba
Manifestf38e53caa9464912b5ebc3cc0713c4a11e786b33911fc2fad48c8c1109fc46df

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
SignaturemI3Je5TNTTYX4yTlBV4gHcNfXbzfg9qYFOA424tgdDlezeSGGNdXDAZCnVG9nVkju9ySlVK7eETl9t153db9BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:55.224502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069977
observed b53137c92b0f78e0e089554b979fd28c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.206231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069977/manifest.json
observed f38e53caa9464912b5ebc3cc0713c4a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.188633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069977/publication.md
observed 5e28b394d850664dc494be5947537122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.170648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069977/publication.txt
observed 240a37650f5a19848e5036605c95f9a1...
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.