OpenTechnical

OT-2026-000048727

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000048727) never changes.

Identity and time

Publication numberOT-2026-000048727 · never reused
Internal UUID01a0ae80-c32c-7a4e-ae8c-2172c187c6ed · 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-2026-000048727
StatusPUBLIC

Content hashes

Canonical text272870fee583920ee8a9c1a438307b5dfd9b5af51c4109c990430b9e837f46f3
Markdown781a3de143e284847c9cea800483d7aaf70faf9d61bc8530f4444b2ff54df35a
PDF
Publication pagebd48c7f0117658e77424296dc3b9a39160e99978bd4606a0ed5b20527cdfc34d
Manifestc307cc3996858cc88a7c52b1231fda404bea7fbfb7693f11adcccccb7feb5ff5

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
Signature4n6xNELDoHKj7kMRzW3YuAmXUIEUY+qsXA4MPSLfEHXmee5BKhjcgefvzhtsY0ZNIyXTibiXzGp1dpmEaFsWAA==
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

2026-09-17T11:04:22.589942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048727
observed bd48c7f0117658e77424296dc3b9a391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.568710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048727/manifest.json
observed c307cc3996858cc88a7c52b1231fda40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.548126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048727/publication.md
observed 781a3de143e284847c9cea800483d7aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.526408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048727/publication.txt
observed 272870fee583920ee8a9c1a438307b5d...
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.