OpenTechnical

OT-2026-000083032

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000083032) never changes.

Identity and time

Publication numberOT-2026-000083032 · never reused
Internal UUID01a0ae97-c961-7df5-ae69-5908a984c874 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083032
StatusPUBLIC

Content hashes

Canonical text1893bb16eab1cfe92f33d5157874d4008e820294b8b8344263443e2cf4e0b8dc
Markdown035845c5ef06fd934e0e97a7beffc13de62cb4d489ce4c1546441e33fa5dd90e
PDF
Publication page57898fd9d9c7cb63f1e9763abdce4ba96322508e6e090fe786c95a975bcf54fb
Manifest7964dc0af26a31d7c6a1e40c5d2fd3dc28ff30fca81772b410d4ab6fcde5ac92

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
SignatureNkwvmggcBHHwZW6vy/ROxU7c3ilmNMydt/ZMJj2fIHZmlyXz4Qg5RQ6eJue/+FLNXYAk5bb7Vep4Rf2ZvZggAA==
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

2026-09-17T09:00:21.628873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083032
observed 57898fd9d9c7cb63f1e9763abdce4ba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:21.608386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083032/manifest.json
observed 7964dc0af26a31d7c6a1e40c5d2fd3dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:21.591069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083032/publication.md
observed 035845c5ef06fd934e0e97a7beffc13d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:21.572824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083032/publication.txt
observed 1893bb16eab1cfe92f33d5157874d400...
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.