OpenTechnical

OT-2026-000058033

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump 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-2026-000058033) never changes.

Identity and time

Publication numberOT-2026-000058033 · never reused
Internal UUID01a0ae88-6eda-72f2-8fe4-5a02b7de0844 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058033
StatusPUBLIC

Content hashes

Canonical texte3d2a4f318864e3068bb9c844e41c3128c03fdb05a085633032d802b69e44da9
Markdownbad8778312afc196bf0e9591d001872a7f3f520f4e9de35510440205d0f203a3
PDF
Publication pagef68e1a769e7f4c550e79a430236e6b50eefed2ad17e54388e4223c2f03826543
Manifest578f174ef1892956b297d144a974a4abc7ebfd3dfde33f2dbbf1aec7c217cb2d

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
SignaturehuHyqR1mT+90qckTVwMt5AzEFEtEDqpE8MiKRM47ucUje1F4vYWGT8rctT+Csxxx+o/B+rsRi5D9qvmfRIkqDQ==
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

2026-09-17T10:47:40.690825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058033
observed f68e1a769e7f4c550e79a430236e6b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:40.671419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058033/manifest.json
observed 578f174ef1892956b297d144a974a4ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:40.653389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058033/publication.md
observed bad8778312afc196bf0e9591d001872a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:40.635422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058033/publication.txt
observed e3d2a4f318864e3068bb9c844e41c312...
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.