OpenTechnical

OT-2026-000007472

Publication integrity record

Vacuum cup gripper, two zone face, per zone isolation, ejector fed, 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-2026-000007472) never changes.

Identity and time

Publication numberOT-2026-000007472 · never reused
Internal UUID01a0a980-1550-7397-bc1e-e3a8a31e17ed · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:15:38.707249Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007472
StatusPUBLIC

Content hashes

Canonical textfb04de8c6d71804937a49a58e15fb0ea2ee91dc6590927fa69034ee7956c0125
Markdown3eb6a50749576f32c3c98757f09d42118739fdb9100632dc3e18f282b7a17cfc
PDF
Publication paged272e14e9aa544bc6ae9e0dfcdf208bc1b2c98508a94be0e3a06b45ec42eb245
Manifeste5e7857daa35dd3f74498309c05905e67dd02050249770ded66e5efa2903be47

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
SignatureCuu+9+EH4SEXmt6VaPz70r/pmU6d5GgF5cg/CZ7xsvc1qSZOjWkOB75RhykVSbMFnR8CKt+iOHDEBquDeB/BDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:03.509422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007472
observed d272e14e9aa544bc6ae9e0dfcdf208bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.494711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007472/manifest.json
observed e5e7857daa35dd3f74498309c05905e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.481417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007472/publication.md
observed 3eb6a50749576f32c3c98757f09d4211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.467160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007472/publication.txt
observed fb04de8c6d71804937a49a58e15fb0ea...
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.