OpenTechnical

OT-2026-000038815

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000038815) never changes.

Identity and time

Publication numberOT-2026-000038815 · never reused
Internal UUID01a0ae78-769f-7ea7-9a27-cc07f7f06e81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038815
StatusPUBLIC

Content hashes

Canonical text708b9ff39398f0f4993a67778a3972ee8f2548e229d623bed1dc49a65a5246f2
Markdown8a93b2b3e468fced21a91fb21b8d2f92f2784460e3fc2775af5d48e6c336a543
PDF
Publication pagec3ed4f9a6f64d5a9a4840ccf474b1fc926c523f194805e8f629353d435356e53
Manifestcf46d2f57361788ad69ba5dc167c4cbe85478734d853a5ee0db6f6db2500b69b

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
SignatureF4tJFx6JrYSZldXM8I/dOVxl2/zVlYLCqM+DuvWtnzB01569S1dyrAV7iRt1Ro3DG599U+MgfvxZmyni1QIfAQ==
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

2026-09-17T11:21:22.398508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038815
observed c3ed4f9a6f64d5a9a4840ccf474b1fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:22.380621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038815/manifest.json
observed cf46d2f57361788ad69ba5dc167c4cbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:22.362282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038815/publication.md
observed 8a93b2b3e468fced21a91fb21b8d2f92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:22.343961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038815/publication.txt
observed 708b9ff39398f0f4993a67778a3972ee...
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.