OpenTechnical

OT-2026-000054419

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000054419) never changes.

Identity and time

Publication numberOT-2026-000054419 · never reused
Internal UUID01a0ae86-1282-7ce9-a18a-9604495d40f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054419
StatusPUBLIC

Content hashes

Canonical text01000d58c91b1cfd09a4936119dae53610b901dfb79e50d3d78e57ec68e64042
Markdownd360e9f4cd0dcdb28b2105ef620c10581a17c440770e2bda2345e3c4092ec12d
PDF
Publication pagef95c164e0b2fef8bd66642e11f7f3403b82e98ed5b76757fd48bb179c135e207
Manifestb962107f75461bc1e816bd0769047fb48a6be744f7f7bbd2f4beb8f3d12401d7

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
SignatureVEdiJIzMu9oX9ZXRXklYMxCqGVPy8W7MPeI0NHVCnMPu/8bK7pGGlv7GrzA/D4jaAT56t8SLgcsbaIOoMq2IDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:24.100917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054419
observed f95c164e0b2fef8bd66642e11f7f3403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:24.083117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054419/manifest.json
observed b962107f75461bc1e816bd0769047fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:24.065668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054419/publication.md
observed d360e9f4cd0dcdb28b2105ef620c1058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:24.047305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054419/publication.txt
observed 01000d58c91b1cfd09a4936119dae536...
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.