OpenTechnical

OT-2026-000084278

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000084278) never changes.

Identity and time

Publication numberOT-2026-000084278 · never reused
Internal UUID01a0ae98-5b61-7a9b-a181-7aa744327c6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084278
StatusPUBLIC

Content hashes

Canonical textfbb934729c123866623155b622fbd51b1109863440ea05c043079908cddcafa8
Markdown2676fafb477c8d776f8b23ce9bb1f3de6ead0b5e4dda25bc44275bd7a04a04cb
PDF
Publication pagefaa63f1ae6891a15f30888c562cda6a27e1956017b7fe9a609c5fa35320556ed
Manifest493ee119006c98a4e57f5090cfb53ff6ccb316fce4220b1f694f6fecbac49063

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
SignaturejMkHrXL7uyZWpvtUvM02SmKsdGUJJDv1g/tHNSfBwVrWai69r/E3QxhmZSvgCWI+yusObrtTnOjfYRhnQc1yCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:11.793270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084278
observed faa63f1ae6891a15f30888c562cda6a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.774756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084278/manifest.json
observed 493ee119006c98a4e57f5090cfb53ff6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.755166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084278/publication.md
observed 2676fafb477c8d776f8b23ce9bb1f3de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.737485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084278/publication.txt
observed fbb934729c123866623155b622fbd51b...
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.