OpenTechnical

OT-2026-000063298

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000063298) never changes.

Identity and time

Publication numberOT-2026-000063298 · never reused
Internal UUID01a0ae8c-94ac-785d-98c0-2d4ff4aceacd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063298
StatusPUBLIC

Content hashes

Canonical text5bd74d33ef2233d33fb33b801efa8ea39ba81b890275aa5933f25c9a6e51702c
Markdown74362867fd9b1fbef0b9cfc5712bcd22cc7042aca245e3ba38023289c2574b93
PDF
Publication page13aac0944eed82c668a37f5b0f15c97e5ba1f74b18e49f37fafc5f762571c095
Manifest0cfda20d2359d61a1e58c213c6cabb137227246ef3124fe2f2bdb65d87601374

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
SignaturedG+NW1OWw6MgNUSAxKxrHgX1iqXAxtSoBmUFeJsEqaC/JY+0k9x8m07k3EZwICwcs5RMERLDUEZrRkZZx6pBAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:11.669219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063298
observed 13aac0944eed82c668a37f5b0f15c97e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:11.649563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063298/manifest.json
observed 0cfda20d2359d61a1e58c213c6cabb13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:11.631965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063298/publication.md
observed 74362867fd9b1fbef0b9cfc5712bcd22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:11.612074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063298/publication.txt
observed 5bd74d33ef2233d33fb33b801efa8ea3...
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.