OpenTechnical

OT-2026-000006414

Publication integrity record

Vacuum cup gripper, three outlet manifold, plant vacuum fed, contact triggered, 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-2026-000006414) never changes.

Identity and time

Publication numberOT-2026-000006414 · never reused
Internal UUID01a0a95a-68ec-7b60-be3c-4178f23e60a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:34:29.742988Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006414
StatusPUBLIC

Content hashes

Canonical textc0ac3763001267bd6a3d90caa540ef8e6ebf0a31abcf8d5f7334aeea8915ba98
Markdown58562d7010d7742ec9d814a7f36bbe19dc07c05a5656e74c3fde0fa160df0719
PDF
Publication page417b0d8ce16f7032132a848d617a55907fc12c07cb94a8b4ccb148acfefa8be9
Manifest34e9055561bca28916c9b833fbaceb532ec424211ab70628687b669fccd77be8

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
SignatureiJrTgkohWI/O9huKKZ9dk5d06iNyniwcm2qN1+oz3bv4XFwp8j4CdOmNzEiQG91rPHjkRcfBWjorroWdMx9PCA==
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

2026-09-16T08:40:20.394808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006414
observed 417b0d8ce16f7032132a848d617a5590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:20.379989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006414/manifest.json
observed 34e9055561bca28916c9b833fbaceb53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:20.245559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006414/publication.md
observed 58562d7010d7742ec9d814a7f36bbe19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:20.233043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006414/publication.txt
observed c0ac3763001267bd6a3d90caa540ef8e...
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.