OpenTechnical

OT-2026-000006405

Publication integrity record

Vacuum cup gripper, three stage ejector, vented before set down, rubber cups, flat form

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-2026-000006405) never changes.

Identity and time

Publication numberOT-2026-000006405 · never reused
Internal UUID01a0a95a-1bb2-75a7-a83a-095a83b85001 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:34:09.973872Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006405
StatusPUBLIC

Content hashes

Canonical text59cafd03a79eef7c0d49946f91295e691913446da5952e458d95a5fb88bfc587
Markdowne4935b79625ea04d134f40d4859854b65ac92b47dda6ab20816c570ccad6000f
PDF
Publication page7c7f5b6432f6b569708b270afcae613d6addbbe9b2a0373c1e921996ee0d7008
Manifestf1ba33399b2d652a456ea6c1b3ffb0a9115cc32d27f5b7ee5a42eed1537553ab

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
Signatureo97gMO4AcitsvKCr6WjJzNViE3Zfb91I3cy7fI2lop56DQLSMReRXbXJ8BDiC3eaNaW1B2fHg+LaRM6ERAdMAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:21.242171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006405
observed 7c7f5b6432f6b569708b270afcae613d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:21.230031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006405/manifest.json
observed f1ba33399b2d652a456ea6c1b3ffb0a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:21.216434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006405/publication.md
observed e4935b79625ea04d134f40d4859854b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:21.201909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006405/publication.txt
observed 59cafd03a79eef7c0d49946f91295e69...
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.