OpenTechnical

OT-2026-000006674

Publication integrity record

Vacuum cup gripper, four outlet manifold, ejector fed, contact triggered, polyurethane 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-2026-000006674) never changes.

Identity and time

Publication numberOT-2026-000006674 · never reused
Internal UUID01a0a963-8105-70a1-9f80-1cc6642f5ee6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:44:25.735747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006674
StatusPUBLIC

Content hashes

Canonical text013c8fe75824bfe7758bb28ddc4a1beb42cf3cfef6723e6e30b63ff486429310
Markdown8c67e351ee94146f9b47f500d2a44a6c621970149e91cd0a0ed34451e4b62637
PDF
Publication page90b234e22fdeebfd53b5ba4e36894d64e88a33e8c0330af6a1705017e5e56ff4
Manifest10c0c969094d730d5a982c2efdc3a4cc6a76a738f7874cad45d8eac85fb063cc

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
SignatureeuDHIwT5gBs7xqDbXVMKVq301PnyW9xKrEYFdeYbGGXs24FWRHZZIqS+NpgDJTlpZJOqarkJRAeNyn42GtAiBA==
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

2026-09-16T08:50:18.700474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006674
observed 90b234e22fdeebfd53b5ba4e36894d64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:18.686068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006674/manifest.json
observed 10c0c969094d730d5a982c2efdc3a4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:18.672538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006674/publication.md
observed 8c67e351ee94146f9b47f500d2a44a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:18.659630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006674/publication.txt
observed 013c8fe75824bfe7758bb28ddc4a1beb...
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.