OpenTechnical

OT-2026-000052283

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000052283) never changes.

Identity and time

Publication numberOT-2026-000052283 · never reused
Internal UUID01a0ae83-e791-7101-b857-eeb0b05f322f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052283
StatusPUBLIC

Content hashes

Canonical text0ad098a3fa6f3a35a653686533363a6d61d3422e35a899b848740595935c6d01
Markdowna23851072311f8c2e5718d679471da529454a9705155e4fd960aca344ef39ef2
PDF
Publication pagee24f09919e593fdc6f75051a94956c9d1cf4f00fb7e69d0852cf04810fe26ec9
Manifesteb391ee7d22b3e77a8e1b37e101e3b014d2af16ce94a75654e9a47b98d0afd2e

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
Signatureae56EgB+qiT6YG35kfQKcIpM8xRgZLzxaiyPqbrRB0NHOlH7N+0VZCH34o4zM5H8o650V+aK8Z3AEJ+XeLlyAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:52.483815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052283
observed e24f09919e593fdc6f75051a94956c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:52.465946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052283/manifest.json
observed eb391ee7d22b3e77a8e1b37e101e3b01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:52.449265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052283/publication.md
observed a23851072311f8c2e5718d679471da52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:52.431685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052283/publication.txt
observed 0ad098a3fa6f3a35a653686533363a6d...
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.