OpenTechnical

OT-2026-000048436

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000048436) never changes.

Identity and time

Publication numberOT-2026-000048436 · never reused
Internal UUID01a0ae80-4de5-7d39-a878-bf800602e4a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048436
StatusPUBLIC

Content hashes

Canonical text2d394931f1fe6a0750c19eefc65c2221a40bb12c3b300f5ab95d586166c8f564
Markdown151ac8833c13bd90b029cd972883cb7de53b2b5b1f12069230705276474dc4c3
PDF
Publication page57610c93e861928db4f566ef35ba30df5c3fa64213cfad1cfaf0a99fd06362a3
Manifest46467db7c87c279a773dea7b735e2f67f62596810dc62900c780dfb67a3f7e66

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
Signature1endCqiNTKnJWGnU8AkCygqcv0TrtdgBSWZkkYDhaM62VtbvHE7WaxwLu6vYwBTddEtyvLhQwEbov0LgT+HVBA==
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

2026-09-17T11:05:05.222374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048436
observed 57610c93e861928db4f566ef35ba30df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.201676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048436/manifest.json
observed 46467db7c87c279a773dea7b735e2f67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.181548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048436/publication.md
observed 151ac8833c13bd90b029cd972883cb7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.162721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048436/publication.txt
observed 2d394931f1fe6a0750c19eefc65c2221...
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.