OpenTechnical

OT-2026-000061712

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061712) never changes.

Identity and time

Publication numberOT-2026-000061712 · never reused
Internal UUID01a0ae8b-b8aa-72b8-9ebc-e9f1ad0374f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061712
StatusPUBLIC

Content hashes

Canonical text1e5784f43a8cef51ea9e058c4098426204c987cf665ed9d69705c30e562b718e
Markdownf6f02db503f3747014d6ff26594eaf63e9bc71221f3e3a72f537f53eced0fc43
PDF
Publication pagee12a41a2d49916d5363f4b646dac42a3ea41f9777f0d1d862ff71a75a3178b89
Manifest19550e69ee1edc645c38f2bb4aa889a15b431b99b452ae1c7f22354b12d479fb

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
SignatureF+m4ckG0RVSWhTyYC1H+S8Zsj+Yjux4pNXdoNlyOf1Xuk7uKfY/UcMYFlDT3OaQuX8JBt/dVpKMM3/iivX7pDQ==
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...

Independent retrieval

2026-09-17T10:40:17.113419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061712
observed e12a41a2d49916d5363f4b646dac42a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.020218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061712/manifest.json
observed 19550e69ee1edc645c38f2bb4aa889a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.996556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061712/publication.md
observed f6f02db503f3747014d6ff26594eaf63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.973990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061712/publication.txt
observed 1e5784f43a8cef51ea9e058c40984262...
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.