OpenTechnical

OT-2026-000056406

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000056406) never changes.

Identity and time

Publication numberOT-2026-000056406 · never reused
Internal UUID01a0ae87-4bd2-7e6b-9b70-da300189c4a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056406
StatusPUBLIC

Content hashes

Canonical texted56867c012ea786f5f9bce79a40003168a6371b8b399f40caf2404ac6472a89
Markdowna8dccb531f990082e57931b140ca6212143c773b22cd8b6c13999772ba43655b
PDF
Publication pagedc72727fe4c3085d5e9797e4efc6363e58b7c995d2d045dd14765fd0c13f138d
Manifest8736bf652a8e89770a0c427e08db6f6980f6e10ff61a5c1b70b910b1ecbe83bb

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
SignatureRN1227OSRSnT8hwJSGtE+vf5jJcCgSRhhr15mbqziBRuaSZgq/EJ0Cm0lovZ1CYYaLhblMhU21WfgONZoFP3AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:54.700931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056406
observed dc72727fe4c3085d5e9797e4efc6363e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:54.681733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056406/manifest.json
observed 8736bf652a8e89770a0c427e08db6f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:54.664069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056406/publication.md
observed a8dccb531f990082e57931b140ca6212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:54.646541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056406/publication.txt
observed ed56867c012ea786f5f9bce79a400031...
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.