OpenTechnical

OT-2026-000078887

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six 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-2026-000078887) never changes.

Identity and time

Publication numberOT-2026-000078887 · never reused
Internal UUID01a0ae95-ccbd-7297-bb9c-583565115c55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078887
StatusPUBLIC

Content hashes

Canonical textec243367d4fab1f3324fa93a4e85205c2d466359cce951aada9a0273cc49c06d
Markdownf2fc6e47c3b72913457de3b607b5db7ff5081db20d4dc1218376ddddfc49eabc
PDF
Publication page91de7d40bb630f82d618759c771bc1777374bfb081a8145d530cfbe64efb4609
Manifest5e41ac9d9486ae6310eaf2a512e098a9b9de0bd64bde46d2b594aa59ec1f875e

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
Signature13D5NyFbho4OxtRWgHQblgRPuprldY+fhTv96K7hnBGyDPu7up8kScYU2+0TXnr7pNJqStmy40M3YdQDd3NoDQ==
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

2026-09-17T10:05:41.667759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078887
observed 91de7d40bb630f82d618759c771bc177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.649312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078887/manifest.json
observed 5e41ac9d9486ae6310eaf2a512e098a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.629940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078887/publication.md
observed f2fc6e47c3b72913457de3b607b5db7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.609711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078887/publication.txt
observed ec243367d4fab1f3324fa93a4e85205c...
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.