OpenTechnical

OT-2026-000047305

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047305) never changes.

Identity and time

Publication numberOT-2026-000047305 · never reused
Internal UUID01a0ae7f-3e56-7b1b-8650-651100a8816e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047305
StatusPUBLIC

Content hashes

Canonical text8b760d1de2da8088721025529ab090badae9cb355ff68b52493bda94dc1641aa
Markdown83fb098dea58d71b88025021731b7c747eed48d0d7f35494d6bb9b705b393914
PDF
Publication page24d902c0c3dc1eca893b401942adaae55ffdcbc73880c2be93e32bf3d7ffe36a
Manifestd94dcd441f04709c1f014a03483b036b0c939965f75ee55f5e4a00dd1e5bc68a

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
Signatureyu1zjOdiAmVpFkSVxzqK9fjtw0MGAyGZC4q0Gz8QfPJFmd6+4+DOXKfdk5+XLcXRFX36R+Jw2RID/MLA1PnhCQ==
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

2026-09-17T11:06:17.166472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047305
observed 24d902c0c3dc1eca893b401942adaae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:17.148241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047305/manifest.json
observed d94dcd441f04709c1f014a03483b036b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:17.129127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047305/publication.md
observed 83fb098dea58d71b88025021731b7c74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:17.111872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047305/publication.txt
observed 8b760d1de2da8088721025529ab090ba...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent