OpenTechnical

OT-2026-000040635

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000040635) never changes.

Identity and time

Publication numberOT-2026-000040635 · never reused
Internal UUID01a0ae79-6d0e-7e89-8e0a-e36d97f0a2d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040635
StatusPUBLIC

Content hashes

Canonical textad33901dcc73278f840fc5037adaa5b167b337604a2224bb4215b1f46826c457
Markdown6756336b1443a0f495283b355342a5b4c8426e7e03c70f2b510b9ee7d643d63c
PDF
Publication page318bb6c989ff3998869cbc0fbd6dac7d5f7a4f916da56e7b80ab982bec89364f
Manifest29b6f373a319c16eb60a5e9ef65dab1777252e98f6a8ead0afe507f92f1a3d26

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
SignatureS0D1KFFQnPSDyPFfTpetS4vgXjAiGg99svBc3sY52XZNFc6lSly2FmT2aCewNdJJqygemYmFkIFws/PWCS4XDw==
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

2026-09-17T11:17:49.084503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040635
observed 318bb6c989ff3998869cbc0fbd6dac7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.067386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040635/manifest.json
observed 29b6f373a319c16eb60a5e9ef65dab17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.048013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040635/publication.md
observed 6756336b1443a0f495283b355342a5b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.029870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040635/publication.txt
observed ad33901dcc73278f840fc5037adaa5b1...
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.