OpenTechnical

OT-2026-000048815

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000048815) never changes.

Identity and time

Publication numberOT-2026-000048815 · never reused
Internal UUID01a0ae80-c32d-788d-9d98-b8f79e9b0809 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048815
StatusPUBLIC

Content hashes

Canonical textc89ddec4bff3b02f42436de2c6704ecf077f48e9c016997259b3545252289e4c
Markdown4fb5a714b239db14b8a5a746c6bd7df8974de829e33d168bdb77fc2729b096d6
PDF
Publication page890d48c1a35691d529fec7731d51313e5780466001d23ebdefc539b6a5bff8d1
Manifest5ab4318f4e0b09c9105befb69d87f566fd212ab46e97c20558fc9bf7a3b8f855

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
SignatureRiLUpg1/cYtQchGwvDrD5YbzGH7a5MfSjivzS1INp8rR1nfrND/9XMUxMdttOqpy+Iy0E5gdleOIHtiWM+ShDA==
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

2026-09-17T11:04:32.513574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048815
observed 890d48c1a35691d529fec7731d51313e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:32.487168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048815/manifest.json
observed 5ab4318f4e0b09c9105befb69d87f566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:32.461536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048815/publication.md
observed 4fb5a714b239db14b8a5a746c6bd7df8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:32.434005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048815/publication.txt
observed c89ddec4bff3b02f42436de2c6704ecf...
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.