OpenTechnical

OT-2026-000052139

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six 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-2026-000052139) never changes.

Identity and time

Publication numberOT-2026-000052139 · never reused
Internal UUID01a0ae83-e78f-7f5f-94f5-c6896e9d94b9 · 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-2026-000052139
StatusPUBLIC

Content hashes

Canonical text7bad22bacd15125707dba2988e793567ff72e13d514c3f726b95b3ac532cb1d2
Markdown51d3b70ba044cf8719a19667d4cf47627afb7671b8cf402596fb7c4cd5827041
PDF
Publication page218b9158743a83921391b19f76e8d9f9038402804677c8ac9789539700a8048e
Manifest17fd6600a0403c58098e682eacff651e4eac38de3e16fca6ddda2c1b3fce7abf

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
Signature1SYBYPevsKEPIldC5pzh+yfx4DdzIRfOQQkB0y/A0pcuGNclZYytHRnE/IoodIGUoy1h5o5VGhsR02Q0aFvaBw==
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

2026-09-17T10:57:41.416045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052139
observed 218b9158743a83921391b19f76e8d9f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:41.377426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052139/manifest.json
observed 17fd6600a0403c58098e682eacff651e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:41.359292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052139/publication.md
observed 51d3b70ba044cf8719a19667d4cf4762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:41.320675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052139/publication.txt
observed 7bad22bacd15125707dba2988e793567...
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.