OpenTechnical

OT-2026-000005015

Publication integrity record

Vacuum cup gripper, per zone isolation, two outlet manifold, plant vacuum fed, pressure verified

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-2026-000005015) never changes.

Identity and time

Publication numberOT-2026-000005015 · never reused
Internal UUID01a0a92b-118c-7676-abbf-e14d454d6192 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:42:47.183210Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005015
StatusPUBLIC

Content hashes

Canonical texte22104d0a1d7ddf36ff418b5902ea3344c6f62b38a5b414d73b5b70d9053bc65
Markdown2df96763ed51f01396d154e1174573538411b1b640171fd0044d9e25ffa64286
PDF
Publication page72ee254399dd4e356b9c6837c1120df28666efe4914847321e006393f081892f
Manifeste88d54b53bd2b898f3cd7e480354266538870fc904b368dc880c5a8d538d205f

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
Signature5eqpHBpmmLUniUyzKQwS9OEfHVa9wvwd6HQuuXsEnEnNBi+IpOAOuYC5WCDwCFiSKT33SamFgE2iyT4lGPX3Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:24.716896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005015
observed 72ee254399dd4e356b9c6837c1120df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:24.703371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005015/manifest.json
observed e88d54b53bd2b898f3cd7e4803542665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:24.688582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005015/publication.md
observed 2df96763ed51f01396d154e117457353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:24.672763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005015/publication.txt
observed e22104d0a1d7ddf36ff418b5902ea334...
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.