OpenTechnical

OT-2026-000005648

Publication integrity record

Vacuum cup gripper, per zone isolation, two outlet manifold, pump fed, rubber cups, oval form

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-2026-000005648) never changes.

Identity and time

Publication numberOT-2026-000005648 · never reused
Internal UUID01a0a940-2a12-7871-8f0d-8e52bbd78088 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:05:49.716816Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005648
StatusPUBLIC

Content hashes

Canonical texte6f8ec4833205fa4b01d631be169bf4ecb87e6dae24260d03d10dd7403e7b1e9
Markdownc93177ecb8bf043830bad724c06ad8ed0667576ae05577255dbdc72699807401
PDF
Publication paged7be2431c0f251d396dc4da58ab2837df985d72ec97655d9c0910c757a6f7a5a
Manifestc9643fd4946d33ce2ebe8d4880f18f00f77961100c5ba162a64f6bc4786ec103

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
SignatureJ3liUspQpR1c0tjE5kuqVY9RznKeW6Ltu8aN0A05CM3j4PZ3wwnuyCHidSZ2gQd8vIS1p7JSaHQDvfCyoxl/BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:16.482252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005648
observed d7be2431c0f251d396dc4da58ab2837d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:16.467462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005648/manifest.json
observed c9643fd4946d33ce2ebe8d4880f18f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:16.454465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005648/publication.md
observed c93177ecb8bf043830bad724c06ad8ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:16.440735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005648/publication.txt
observed e6f8ec4833205fa4b01d631be169bf4e...
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.