OpenTechnical

OT-2026-000093994

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000093994) never changes.

Identity and time

Publication numberOT-2026-000093994 · never reused
Internal UUID01a0ae9e-92c9-7199-a09e-4cd756d8a9fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093994
StatusPUBLIC

Content hashes

Canonical text7b1c6dc9bb270d06b96ad3b90a2fa8297f7eddd5920a32c8b6e495a39c6725db
Markdown5f9665d305ef44cb4227cd54523f141f8b048d9dd2aa8475f4a0563cf1730469
PDF
Publication paged829bc58b8e3c3ddf4283ea6a52656a466d8bc2e019542e7a2aa5f555dd1f049
Manifestb959a93817efdbf222f049928d6d75a14b5ff62073a751221befdfe52e050df4

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
SignatureUoxTsPNH0/zBRYhcGo0Ww/CepyoxFPNeMwzj5Naeu54K9/3ZQuOAn1o6zM0xeFOEcX+ok+G9SEtfHD//u/ybCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:38:23.983133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093994
observed d829bc58b8e3c3ddf4283ea6a52656a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:23.965457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093994/manifest.json
observed b959a93817efdbf222f049928d6d75a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:23.947034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093994/publication.md
observed 5f9665d305ef44cb4227cd54523f141f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:23.929633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093994/publication.txt
observed 7b1c6dc9bb270d06b96ad3b90a2fa829...
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.