OpenTechnical

OT-2026-000045128

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000045128) never changes.

Identity and time

Publication numberOT-2026-000045128 · never reused
Internal UUID01a0ae7c-f768-7605-9799-4795f1118600 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045128
StatusPUBLIC

Content hashes

Canonical text7425d7f28ef02fb92f972fa43817189c9a357a49ebdfa8b5ba8c5a32fbbd0dd5
Markdownabd5389a3436c69977c1594232ef0d6806c10a82636ea730f0f1b4ff087dfb80
PDF
Publication page47c32b538b9f2396e95b4bbb72a05cf6874b30fd9b5306fcb9623f6bfd744a91
Manifestc88c8e49322e07847070c24111722c6a8f20cd56540da101083b4cd887198425

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
SignatureP7i/+SPAEZx1VQDKKYnk9Shrm0faVLxDBoSbnaoFHl0gFxVVrduEfdnpjff8T/ffOQg+kKJpM8f4Tp2uMAiUAw==
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

2026-09-17T11:10:16.514531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045128
observed 47c32b538b9f2396e95b4bbb72a05cf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:16.498434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045128/manifest.json
observed c88c8e49322e07847070c24111722c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:16.478732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045128/publication.md
observed abd5389a3436c69977c1594232ef0d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:16.459809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045128/publication.txt
observed 7425d7f28ef02fb92f972fa43817189c...
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.