OpenTechnical

OT-2026-000043114

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000043114) never changes.

Identity and time

Publication numberOT-2026-000043114 · never reused
Internal UUID01a0ae7b-327a-7b69-84ea-af88a2b40f9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043114
StatusPUBLIC

Content hashes

Canonical text144412a64689e8a006d7a3cc047a5a1fb580e920946ad0d247e14d2f59d2a08c
Markdown5211f30a9b3eacb2a575677c8f6a44f3d1a38a897f9c3f52a1283b3d14177842
PDF
Publication page10f87fc0f54e26381d05e073bcddea173248d78f2e679610e39d9704df5d8f4e
Manifest0c6392e710a906f424705f2ba3a10bf12dda22080fd657db621718af913b5886

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
SignatureF/ssdPCHdGprq7Nd07FR2A3vytiBLfA40Rt6YX33kvyWQncgKlg4lH1fThl7yQoSrD7OO6AGbd/KuoLNYaMYAw==
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

2026-09-17T11:13:32.466919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043114
observed 10f87fc0f54e26381d05e073bcddea17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:32.450141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043114/manifest.json
observed 0c6392e710a906f424705f2ba3a10bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:32.432293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043114/publication.md
observed 5211f30a9b3eacb2a575677c8f6a44f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:32.414912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043114/publication.txt
observed 144412a64689e8a006d7a3cc047a5a1f...
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.