OpenTechnical

OT-2026-000005243

Publication integrity record

Vacuum cup gripper, four zone face, ejector fed, sustained blow off before 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-2026-000005243) never changes.

Identity and time

Publication numberOT-2026-000005243 · never reused
Internal UUID01a0a932-9355-7d83-9766-e20b51cca24f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:50:59.160272Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005243
StatusPUBLIC

Content hashes

Canonical textd99aec7f4f9634099ebd1a2f90a4f4c5638b5155cd7a48ae2aa043df6d283bb9
Markdown5d2127fbf7d64f461fd3d1263e5d06e83398c582a9207357109abd5efb04af8c
PDF
Publication page876ef5bd318ca06af571a147f44d756b20f823ca2818d9cf92e6a899d53cba97
Manifest7c1ba826ebc22870fb5133db6b7c3c1b7cad365f4952236464122bd8fe5ad408

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
SignatureK02mLIu19qHHxsakdf2tDHciKbKnjUNMFsPfSCWfpMsTIwu8OozXz5BvqO7cgq1kqVlJVAA0abSxg0B1deP3DA==
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

2026-09-16T08:00:31.629377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005243
observed 876ef5bd318ca06af571a147f44d756b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:31.490323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005243/manifest.json
observed 7c1ba826ebc22870fb5133db6b7c3c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:31.475128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005243/publication.md
observed 5d2127fbf7d64f461fd3d1263e5d06e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:31.462604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005243/publication.txt
observed d99aec7f4f9634099ebd1a2f90a4f4c5...
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.