OpenTechnical

OT-2026-000052827

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000052827) never changes.

Identity and time

Publication numberOT-2026-000052827 · never reused
Internal UUID01a0ae84-a42e-7c39-bbbb-6059a44438a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052827
StatusPUBLIC

Content hashes

Canonical textad38af99e6535c678bae31dff8724ff56432e60e9c905beeee453e50156d88a0
Markdown109e832475f7193b7238f21c2be2b4fb7f85e901db166858d6ec986b4b06f55e
PDF
Publication page5cbb72672e1bdda0e41f4c83c8dc04d102103ec5aa81e18b4b246dfbbfdcd526
Manifest33aa0ebdeb427ec2dacfd101510c70ea4ad6e85518e637ee7786cc9286e06a53

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
SignatureGIKFg2c4Nvm4J8k4vXPpzH+Zb3GkidcAWqkv3/eRBeX11iqjI5OhrT+2DQ9Nmnx0sT+w771/r8lf6Ng54LnNBw==
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

2026-09-17T10:55:51.180350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052827
observed 5cbb72672e1bdda0e41f4c83c8dc04d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:51.162700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052827/manifest.json
observed 33aa0ebdeb427ec2dacfd101510c70ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:51.144218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052827/publication.md
observed 109e832475f7193b7238f21c2be2b4fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:51.125009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052827/publication.txt
observed ad38af99e6535c678bae31dff8724ff5...
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.