OpenTechnical

OT-2026-000020078

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000020078) never changes.

Identity and time

Publication numberOT-2026-000020078 · never reused
Internal UUID01a0ae6f-1fb8-73ea-8576-b4a03a3b19cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020078
StatusPUBLIC

Content hashes

Canonical texte2ab6c73925e7938a8ee0a22e93b7e497a1e546e8bc2e4339fb1c0b491c7b295
Markdowne608c39b03e726e28b94554bf504f676b1dbaf151b6f3914ebbbb246e87adeea
PDF
Publication page58973a153a9de4fbdc9e4cafe4eb49951a409c7931aa759c225aa54d65472eb0
Manifestd8e64515205e4fadabc29de04225b043ee9e795495d44f313f4033bb3c3850b3

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
Signature2VkiSVzDEjTSn7oGcBn5Zs8QJY9YEKD2HifSe+8Y2NJzu3ZK9aT9+rPsK6/FZxhiLK3344HdClLNGPFSLCjdDg==
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

2026-09-17T11:58:21.259289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020078
observed 58973a153a9de4fbdc9e4cafe4eb4995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:21.240146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020078/manifest.json
observed d8e64515205e4fadabc29de04225b043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:21.219359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020078/publication.md
observed e608c39b03e726e28b94554bf504f676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:21.198160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020078/publication.txt
observed e2ab6c73925e7938a8ee0a22e93b7e49...
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.