OpenTechnical

OT-2026-000006285

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, pump fed, contact triggered on the face

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-2026-000006285) never changes.

Identity and time

Publication numberOT-2026-000006285 · never reused
Internal UUID01a0a955-8ea4-78a9-a6b4-84b1daa7c625 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:29:11.718466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006285
StatusPUBLIC

Content hashes

Canonical textfaf0382644e13727088949a16b64cbdc7100c591059f3910e4d069e1cba6a521
Markdown3b39ea26968b1dda650f3056825b9c1297fddd8baffeeef8527c4d921c8c51b3
PDF
Publication pageac48c4f9f9054056d60ed484d3ce0416994d16eb21c9036e054acb82dcc0629c
Manifest3197c2823b4a440f2fab42e17a9adcf0ee9007f10183e6a894f2418663522af9

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
SignatureCUXUzEyvaEOHiNngVnW/AxdDoCW5lDAMAz7rOaE02WC6lGohvSjgWsaF+20fM/qHT4xdUSpvjiZwnV7KxcdzCA==
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

2026-09-16T08:30:05.694849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006285
observed ac48c4f9f9054056d60ed484d3ce0416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:05.682848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006285/manifest.json
observed 3197c2823b4a440f2fab42e17a9adcf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:05.668747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006285/publication.md
observed 3b39ea26968b1dda650f3056825b9c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:05.655210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006285/publication.txt
observed faf0382644e13727088949a16b64cbdc...
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.