OpenTechnical

OT-2026-000050515

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000050515) never changes.

Identity and time

Publication numberOT-2026-000050515 · never reused
Internal UUID01a0ae82-5c49-7033-8089-15fe95dede78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050515
StatusPUBLIC

Content hashes

Canonical textbefd8a42cb6f5886e8aa75647204992f90822233b9efa0ebdbc0a8570181ac96
Markdowna019a568b200bafccad845fadaa55508c47da7b03c151c2cdedecf8cf17cfd73
PDF
Publication page307a986d4aca31cb73dadb3c8877d52b860d328d785c35dd5fffdef34647fb26
Manifest468e17d8d86ae2c51904620a78f4e0222fac4ae4688b97ab67935ca0e3013184

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
Signature8gKn59NmkRuUZjFBPJ3sx0xcWEjbd9voTyRuEb1sNibXWwJcxfqWa0yF1xF4caW9xMi5htLrgmN/8zCpqPzOAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:34.626016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050515
observed 307a986d4aca31cb73dadb3c8877d52b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:34.610233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050515/manifest.json
observed 468e17d8d86ae2c51904620a78f4e022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:34.593585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050515/publication.md
observed a019a568b200bafccad845fadaa55508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:34.576525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050515/publication.txt
observed befd8a42cb6f5886e8aa75647204992f...
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.