OpenTechnical

OT-2026-000075553

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000075553) never changes.

Identity and time

Publication numberOT-2026-000075553 · never reused
Internal UUID01a0ae94-29fc-7938-a9f9-9ca60d3c8b86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075553
StatusPUBLIC

Content hashes

Canonical text1e1443cae30e2e81d20d94d1a9b8fa88e1f02c0e8615a2316228a332f1255ac6
Markdown7742b972cd89482373c37b4f4ce8fbd1119e0b0cc433d8e1f74a1532d32f2a8a
PDF
Publication pagea0eb176b6823d11ee939277eef91ff5bb337b487581461b13960b156e19f5560
Manifest3c877e6dd28bb10f081dfc4ee405cc14d868b0f28dddddfa9d8963224116e415

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
SignatureTLbZNXC/jirDPaqlvvo+T1L5RW1tps1cSWeRSzAokLGRcVTNRTvSVWRYyX1+ri5ftKagBXUan0SCTfKEqDpdDw==
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

2026-09-17T10:13:05.808335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075553
observed a0eb176b6823d11ee939277eef91ff5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:05.789103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075553/manifest.json
observed 3c877e6dd28bb10f081dfc4ee405cc14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:05.769316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075553/publication.md
observed 7742b972cd89482373c37b4f4ce8fbd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:05.749214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075553/publication.txt
observed 1e1443cae30e2e81d20d94d1a9b8fa88...
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.