OpenTechnical

OT-2026-000101740

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, pulsed 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-2026-000101740) never changes.

Identity and time

Publication numberOT-2026-000101740 · never reused
Internal UUID01a0aea4-0e17-79f8-af37-19004a5f7da7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101740
StatusPUBLIC

Content hashes

Canonical textee8a1692d61bf885b87d9ded9f00c73885284b83bc1058bb86dc39cfc1897a10
Markdown185f6ea51feae53e5394037a5c582d8bb9c32f2bf87821ce535c706039c1870f
PDF
Publication pagec08bcd3fb4dcc16e43709ce8afab033f247aef7c9e8d7d21775b452079addf74
Manifest5cf853aa7d5a6031f6a73991c0efa82e7122bd81ff96634d8f6bbd9425c35341

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
SignatureGMnwV/C9gVm2bF2PB7XBxHHZQI7X8xjrgy/2Py9vqkTx3X8o+uwQGq84wikJDiRx9/v8nKToHQWQu1CtRWRrBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:37.188579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101740
observed c08bcd3fb4dcc16e43709ce8afab033f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:37.171427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101740/manifest.json
observed 5cf853aa7d5a6031f6a73991c0efa82e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:37.155491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101740/publication.md
observed 185f6ea51feae53e5394037a5c582d8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:37.138069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101740/publication.txt
observed ee8a1692d61bf885b87d9ded9f00c738...
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.