OpenTechnical

OT-2026-000051613

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000051613) never changes.

Identity and time

Publication numberOT-2026-000051613 · never reused
Internal UUID01a0ae83-7c81-72d7-a55d-f5cced7832e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051613
StatusPUBLIC

Content hashes

Canonical textf9b1c6354be6d13a5e19688a1e6bf08b9faba939f1ce777a2c99a24596288492
Markdown91763d727862d2d6b4ee621ebce3057f204f09cb8540486f5df603a316694e9c
PDF
Publication pageab1dc078d8e9e3e7844a55a9ad65f40536ec6b28b9bb429be755a78e68654140
Manifest8db94276f62182e795dc1800ba8f510ba0c9ed21b5b079ea6b17118ef187106c

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
Signature+TBxTbIHC0Wi1lS19HLhBVuRwDSY3njG9cvCG5wDWDae/CTAKo93tZSzKdgJSj7psI6lDBbNFwEzFHZv9ggVBw==
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

2026-09-17T10:58:28.019567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051613
observed ab1dc078d8e9e3e7844a55a9ad65f405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:28.001638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051613/manifest.json
observed 8db94276f62182e795dc1800ba8f510b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:27.985030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051613/publication.md
observed 91763d727862d2d6b4ee621ebce3057f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:27.966472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051613/publication.txt
observed f9b1c6354be6d13a5e19688a1e6bf08b...
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.