OpenTechnical

OT-2026-000006290

Publication integrity record

Vacuum cup gripper, ejector fed, pressure verified, vented before set down, silicone 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-2026-000006290) never changes.

Identity and time

Publication numberOT-2026-000006290 · never reused
Internal UUID01a0a955-ba88-7e25-9411-b5f601f5f2b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:29:22.955428Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006290
StatusPUBLIC

Content hashes

Canonical text85b019ddcb741f1f735965599785a97623af30c4b2fe6df3da95870b543d881e
Markdown4951ae95bdd856077cbd912b6b2fab998265b4dda49c35edfaed594060f6143b
PDF
Publication page0978fa255b994c0fa3f765f9792a988f9ad8649479d65c5d292b11affc103e42
Manifest4b213d794446931921bcc5419b1523d2327a25ede67f51908fb1109cfb7594af

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
SignatureI6bfrRKrhBRe4idUod9FORCS1dTBTG+V2qfP9hhv8MnlIIHmsqC6acxZ6yikJzyJrecWKE8WOFOfbitLKGTqCA==
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

2026-09-16T08:30:05.156742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006290
observed 0978fa255b994c0fa3f765f9792a988f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:05.138068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006290/manifest.json
observed 4b213d794446931921bcc5419b1523d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:05.123314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006290/publication.md
observed 4951ae95bdd856077cbd912b6b2fab99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:04.986738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006290/publication.txt
observed 85b019ddcb741f1f735965599785a976...
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.