OpenTechnical

OT-2026-000048255

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000048255) never changes.

Identity and time

Publication numberOT-2026-000048255 · never reused
Internal UUID01a0ae80-4de3-76c1-bc45-71fc443098aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048255
StatusPUBLIC

Content hashes

Canonical text06785cb7e8e74eb53ac8b74a1e893194715b3410ad9e0f3daa489376a10d5b30
Markdown1259ed5e96ed48d9f9bd1921bdc784854ba41aa8f872a9b3157ed1893f4161ee
PDF
Publication page77e653cefcdb6adea763685d9eaaab6acd54c31cd160da08dc6bb3189d90c575
Manifestedcb2ce6fa443bb474b6426f1a33371111693d692d5672d6f79f3db813e96b6d

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
SignatureO8swVbyZOnUYzYi14nISfLITaFNljo28UAmdGbMuwTH4BgzOyPZdQCzRagUHaMZgyEhtkce9PFkeLJcWXeRfDg==
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

2026-09-17T11:04:49.420200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048255
observed 77e653cefcdb6adea763685d9eaaab6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:49.387501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048255/manifest.json
observed edcb2ce6fa443bb474b6426f1a333711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:49.366068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048255/publication.md
observed 1259ed5e96ed48d9f9bd1921bdc78485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:49.340243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048255/publication.txt
observed 06785cb7e8e74eb53ac8b74a1e893194...
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.