OpenTechnical

OT-2026-000013553

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000013553) never changes.

Identity and time

Publication numberOT-2026-000013553 · never reused
Internal UUID01a0ae6d-6fcb-7c15-ab1c-2addd1d266b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013553
StatusPUBLIC

Content hashes

Canonical text064e16136ddcccb80c1b4dcd717e0ff0f14ad496eaf62a3cce5285382d72ba0b
Markdownbe2c9268bafa1326552996cb504dc6c2a85009b724eb981aa603da4cb1bab2ca
PDF
Publication pageeafcc0ff4cd604f320a3563d0d09a75f3e50ada28668c5cf7b54f0800dda12c8
Manifest40ee893aaf356910add6bff73f467885b31d31f14cb9000f8ff976db7ef904f5

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
Signaturek/k0LMaJ/PD93WSYpijqiWMHNg41VI+voC7RAui/Y9OXq5g6XiCZhWC3zOxLZ10HkyqLTysmM50w0PpMV6lRDQ==
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

2026-09-17T12:10:05.846426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013553
observed eafcc0ff4cd604f320a3563d0d09a75f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:05.827267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013553/manifest.json
observed 40ee893aaf356910add6bff73f467885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:05.805413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013553/publication.md
observed be2c9268bafa1326552996cb504dc6c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:05.787625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013553/publication.txt
observed 064e16136ddcccb80c1b4dcd717e0ff0...
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.