OpenTechnical

OT-2026-000032772

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000032772) never changes.

Identity and time

Publication numberOT-2026-000032772 · never reused
Internal UUID01a0ae75-1071-7325-aaa7-2699b4c93ad6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032772
StatusPUBLIC

Content hashes

Canonical text95a47c48c2934c2f29c39f482a565a33daa4b3a634831f5ed7a781af29ea78d1
Markdowndd4b4f38f78e4058f8be3cb5231cd295a43eb5bd5f2eab8bac6fbb7a8a6e886c
PDF
Publication page71047357c692afc0e878486d0f30733ad881ef9f062fb3269828718053d943ca
Manifest6ab368bed7c97005992602b780c5f59719d3d66aed0695d1f1b2172c06e8dee4

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
Signature4DXlPPxSeur1slIA/VUEfiAfq22M248WFh9FaONx1OZ5b1WckcIhstn6noMlRUMIHyfVDG3xKTuiuXeHwuAUAw==
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

2026-09-17T11:34:24.335646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032772
observed 71047357c692afc0e878486d0f30733a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.312938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032772/manifest.json
observed 6ab368bed7c97005992602b780c5f597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.293545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032772/publication.md
observed dd4b4f38f78e4058f8be3cb5231cd295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.272631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032772/publication.txt
observed 95a47c48c2934c2f29c39f482a565a33...
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.