OpenTechnical

OT-2026-000063709

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000063709) never changes.

Identity and time

Publication numberOT-2026-000063709 · never reused
Internal UUID01a0ae8c-f946-7fcd-a16e-4ea034145c2c · 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-2026-000063709
StatusPUBLIC

Content hashes

Canonical text1c1177d1b631c39d06b8b24dceaf5aa497ae12326f1dafd158b32b7501d98812
Markdown1d703fea3f42ac2a5701acde8f32d33b58c3aec419637f6da26ce8327df5ec50
PDF
Publication pagefb6155910fb2b8c48772aa3e1d7819f03187d5d0d95a5e855167906d2d12a5e5
Manifest18feb082c954645a355d14395e3b98b6048361e5545754621fc1981f578c5aa3

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
Signaturet5DZENrtSHOiyhsdqVO/0bJmWEtiEVBvfZbGhlNJ9hNgymZBSQ7WeTGMzTYR9jazK3gHF7eOTS4YYsKfSUlnCw==
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

2026-09-17T10:37:49.995135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063709
observed fb6155910fb2b8c48772aa3e1d7819f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:49.977630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063709/manifest.json
observed 18feb082c954645a355d14395e3b98b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:49.959486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063709/publication.md
observed 1d703fea3f42ac2a5701acde8f32d33b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:49.938554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063709/publication.txt
observed 1c1177d1b631c39d06b8b24dceaf5aa4...
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.