OpenTechnical

OT-2026-000063639

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold 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-2026-000063639) never changes.

Identity and time

Publication numberOT-2026-000063639 · never reused
Internal UUID01a0ae8c-f945-7140-bb6c-ee5b189a32df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063639
StatusPUBLIC

Content hashes

Canonical textf40dcb34b4e5bf02d522c00450e2784b21188f6b4d64b806f09e57ddeb0131df
Markdownce9a98be048ffc3dbcb97a6652aec39dafb44cf0c69482c1c730829883aaf853
PDF
Publication page4d12a7d3f51c9f104b73bc36b17840483024ca6339ec54d90f292a4786e4e961
Manifestc46a5787a27efa5080aba267274c6d5d41a476415c1a1a107f2c1a9c504be492

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
Signature5CQ6kXP3nvu/FfddK25yOfVlraVHPhY2JTMetVKsKlHNBcJWVODc8vlqxq2d9wnjIrgYcxkDXV8HLli+oI//Cg==
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

2026-09-17T10:37:44.493159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063639
observed 4d12a7d3f51c9f104b73bc36b1784048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.474509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063639/manifest.json
observed c46a5787a27efa5080aba267274c6d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.454705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063639/publication.md
observed ce9a98be048ffc3dbcb97a6652aec39d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.434193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063639/publication.txt
observed f40dcb34b4e5bf02d522c00450e2784b...
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.