OpenTechnical

OT-2026-000063169

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000063169) never changes.

Identity and time

Publication numberOT-2026-000063169 · never reused
Internal UUID01a0ae8c-94ab-71a0-838c-45824eebe6a8 · 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-2026-000063169
StatusPUBLIC

Content hashes

Canonical text1898b6898a0380d7e401dc9fef4ecb51381f1e6f0c4e9076654e50287e9e3c2c
Markdownefe745f4b05d54a122ead90843ee83e3e17dec4bdcc4d403295698106edc3af2
PDF
Publication pagefca4acb447d8a106b2f0199ddc246bac249baaea1466b6a0c3b3e23c172fa0ae
Manifest34a3f1cae097dc445e63e8af83adda5450c6ca442402ce767338f8f96c85a916

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
SignaturednHuNhCLRWtsr/TvlddM6K+Dj4oMgQn9xaYXqNmkgJl+hsCVuZ261jIvk0pyG1q5dd2DAe/bkAOlbFyNEThICA==
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

2026-09-17T10:38:57.594670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063169
observed fca4acb447d8a106b2f0199ddc246bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.576841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063169/manifest.json
observed 34a3f1cae097dc445e63e8af83adda54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.558963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063169/publication.md
observed efe745f4b05d54a122ead90843ee83e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.540421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063169/publication.txt
observed 1898b6898a0380d7e401dc9fef4ecb51...
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.