OpenTechnical

OT-2026-000006682

Publication integrity record

Vacuum cup gripper, four zone face, two stage ejector, pressure verified, 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-2026-000006682) never changes.

Identity and time

Publication numberOT-2026-000006682 · never reused
Internal UUID01a0a963-c664-7a98-ae11-c99d4e14477d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:44:43.494646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006682
StatusPUBLIC

Content hashes

Canonical text18ed7e3483a86b90c023e7450e47dd6571761c3af71603106363730db3265859
Markdown262e69eb1c4bef570e81d41f35a8157703e1bab474ed34fffbe3b92cf7d4429f
PDF
Publication pagef875dd565ac7910f0a4b508440022b3200c1bf9240d7f23acd9877d9122daf38
Manifest5827b4be23cbb8e4be3f4ecd8ce00789b0d34d0e79948603fdf8444b1a34c0c6

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
SignaturetOn8RVS9ArG/5KxnApswJuABQZCE5IOqBisw7VhiTpiMPdsRDTmmU1UhAu3KoYJjFNEaZzE/TInBWnKWmzV7AA==
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

2026-09-16T08:50:17.884631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006682
observed f875dd565ac7910f0a4b508440022b32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:17.746609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006682/manifest.json
observed 5827b4be23cbb8e4be3f4ecd8ce00789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:17.731457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006682/publication.md
observed 262e69eb1c4bef570e81d41f35a81577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:17.716418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006682/publication.txt
observed 18ed7e3483a86b90c023e7450e47dd65...
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.