OpenTechnical

OT-2026-000019655

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pulsed blow-off before set-down

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-2026-000019655) never changes.

Identity and time

Publication numberOT-2026-000019655 · never reused
Internal UUID01a0ae6f-1fb3-7a25-9332-a21d3f7690ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019655
StatusPUBLIC

Content hashes

Canonical text4371ccbf116acab1b30322bbf5d222f06412dd7881f65a1e244bd364fa0c1876
Markdown283e74812c2a887f104492e07feaf7abe080615d40d1e3c627c4ae5cbf31baba
PDF
Publication pagee5dbf404b73d2eb61e1936b8bac361260a823d34f8f2459fce024e8e8e1790e8
Manifest6d0d13c4c8856ad955d0fa3b0e32cac0a70598c484891dabad599b3ad732f3fb

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
SignaturemW4Rt+6PrwuPtg/4L0wnfrqsy1ivrHv31K3NzwicXKbefIMCe1/FDr2iZkwqoGSB1+QeNCCE5Ygz8P52HU7wCg==
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

2026-09-17T11:57:43.126771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019655
observed e5dbf404b73d2eb61e1936b8bac36126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:43.109346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019655/manifest.json
observed 6d0d13c4c8856ad955d0fa3b0e32cac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:43.091896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019655/publication.md
observed 283e74812c2a887f104492e07feaf7ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:43.075617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019655/publication.txt
observed 4371ccbf116acab1b30322bbf5d222f0...
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.