OpenTechnical

OT-2026-000058852

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after set-down

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-2026-000058852) never changes.

Identity and time

Publication numberOT-2026-000058852 · never reused
Internal UUID01a0ae89-479e-79b7-8d3d-0defd36babcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058852
StatusPUBLIC

Content hashes

Canonical text7063a4e3a332f679218edd6d8797c89115c2faaf0950729fdd1cb90fed6eeb0c
Markdownae715d98b3b8f51bc5af3fafbc4dd9e5b1c0e62d9c8867101d997e2ed4a3c1b0
PDF
Publication page7fb3668fca024c57a6338ca07620d73b0913a5eedd056d55662999008a6f7442
Manifestda7051c9581b2725624872f70b42e3d173776a70e73be73ec68f30ea9a8f8dba

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
SignatureGNWrHZ4YEzcq8gnRqPP47Lx8MHqBEubNlfVWbaCGcFsN3GUmg1rlrwOFFvG99uSXLNeMhzhV7O5uADicZyBYDA==
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...

Independent retrieval

2026-09-17T10:46:23.386085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058852
observed 7fb3668fca024c57a6338ca07620d73b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:23.367273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058852/manifest.json
observed da7051c9581b2725624872f70b42e3d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:23.349445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058852/publication.md
observed ae715d98b3b8f51bc5af3fafbc4dd9e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:23.329760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058852/publication.txt
observed 7063a4e3a332f679218edd6d8797c891...
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.