OpenTechnical

OT-2026-000061821

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000061821) never changes.

Identity and time

Publication numberOT-2026-000061821 · never reused
Internal UUID01a0ae8b-b8ac-7f23-b06b-63cc861e5f15 · 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-2026-000061821
StatusPUBLIC

Content hashes

Canonical text1c7f5027eee3c76649320baa026bcfc8786c4d849ebe18d7f11adbb63858df4a
Markdown715466fdf6cdff89e85e202b06066272701abff7444ae2745f88f051f3f9f61f
PDF
Publication page0c3bbb1cad9200e06dbb5e460401430e7ff71de278e36c843f01fc17e65d10b6
Manifestf8dbeb26a1ac7ddd42e3c877eb08a6e33dfa14de06cfdc3030ce0ff2a54bce08

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
SignatureIgHRZ+OIwU/Cc+DnDh02vLnZvEMNLXbPYcaJ7FqBNuozcXp0+Gxqh9O0hmGASWZBnG8Di0QU9mZNDYnsR0QuAA==
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

2026-09-17T10:40:33.347862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061821
observed 0c3bbb1cad9200e06dbb5e460401430e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:33.327218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061821/manifest.json
observed f8dbeb26a1ac7ddd42e3c877eb08a6e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:33.308099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061821/publication.md
observed 715466fdf6cdff89e85e202b06066272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:33.285861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061821/publication.txt
observed 1c7f5027eee3c76649320baa026bcfc8...
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.