OpenTechnical

OT-2026-000053637

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000053637) never changes.

Identity and time

Publication numberOT-2026-000053637 · never reused
Internal UUID01a0ae85-0a95-75ea-b519-dea7fe5d1b5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053637
StatusPUBLIC

Content hashes

Canonical text4799a41e74be4babe19d151fd91eebbdb7f38159555451b3ded2b3c7e1118987
Markdown041c2d196ea5018b0f42f252a87a262d4e380432a6f4f80a45c5205517aa1d6c
PDF
Publication page5332ad0326df40eef3ebfee4ebeb9c72221fa4ae1707f60579f3cf9262219479
Manifest3596a83417caaace9a476a756f9ee71f0997f4978d4020d8b139f6f1fe354e1f

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
Signaturepnj3Pk0sdkbmrb1cHz2bPTUljq1eSBjU/bwh3ZhSf6uxFL/PaeJigG9qfjYHw+aQVMMz3fgYs09zFFT6MRavDQ==
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

2026-09-17T10:55:31.218583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053637
observed 5332ad0326df40eef3ebfee4ebeb9c72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:31.200105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053637/manifest.json
observed 3596a83417caaace9a476a756f9ee71f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:31.181600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053637/publication.md
observed 041c2d196ea5018b0f42f252a87a262d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:31.161475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053637/publication.txt
observed 4799a41e74be4babe19d151fd91eebbd...
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.