OpenTechnical

OT-2026-000006582

Publication integrity record

Vacuum cup gripper, three zone face, plant vacuum fed, pressure verified, vented 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-2026-000006582) never changes.

Identity and time

Publication numberOT-2026-000006582 · never reused
Internal UUID01a0a960-5049-76ab-bfc1-35ba841f9cfe · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:40:56.651616Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006582
StatusPUBLIC

Content hashes

Canonical textd7b46b924954b20c9b2ab26b99ecb69a24307830ebbf00cffa08593647fd19df
Markdownaa1a4db7935934f4d3edf6991b340394c8ec6308edb7add63fc136266a5eac9f
PDF
Publication page93aae62c3926993c3211fc3c50fdaeebb8e8056617647ab73c809fdc350ce96f
Manifest870d1ffea162f1d85badb2db14858014c1673c6f0a0fab73c8fe9a4444df12ea

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
SignatureA4Hug7mMSEzhyuH9NEhU83Aa2FrUIK0Y/Ern/tg1CarEwOxbTmW6hDm1Iznfk3WY8Hqq8C+s3isDOEr2LLFoAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:28.447196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006582
observed 93aae62c3926993c3211fc3c50fdaeeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:28.433582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006582/manifest.json
observed 870d1ffea162f1d85badb2db14858014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:28.419683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006582/publication.md
observed aa1a4db7935934f4d3edf6991b340394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:28.406587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006582/publication.txt
observed d7b46b924954b20c9b2ab26b99ecb69a...
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.