OpenTechnical

OT-2026-000064641

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000064641) never changes.

Identity and time

Publication numberOT-2026-000064641 · never reused
Internal UUID01a0ae8d-deb8-7496-9fb7-c21da387e47f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064641
StatusPUBLIC

Content hashes

Canonical text283f33c455ba3e492250818a6aa6b89806154413ce0e43181c2fb716b3760e7a
Markdownd44252bd0a2d4b101d9e864988a3cb81e1899a1dcf5ccd26bb45a44ff246eff6
PDF
Publication page67d5bb0a2ec5b8a60fdfd81a1903fcff72aca73aed98bedfa8157c9f027fb018
Manifest1071de851898cd4d0d85d804be07cd1ab011af15649ea53f2412e13b617534b9

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
SignatureSrwbY1buR9vBzqpfbFCCAnuXPJGXRHParOgwwnjZ5suQd90drLg7OWrxzQGNCrl6zIIqUSD2VlBpIQu7jLNvBg==
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

2026-09-17T10:35:25.558676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064641
observed 67d5bb0a2ec5b8a60fdfd81a1903fcff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.514184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064641/manifest.json
observed 1071de851898cd4d0d85d804be07cd1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.494657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064641/publication.md
observed d44252bd0a2d4b101d9e864988a3cb81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.456783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064641/publication.txt
observed 283f33c455ba3e492250818a6aa6b898...
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.