OpenTechnical

OT-2026-000047597

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000047597) never changes.

Identity and time

Publication numberOT-2026-000047597 · never reused
Internal UUID01a0ae7f-3e59-758d-8602-b91f585df3ca · 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-2026-000047597
StatusPUBLIC

Content hashes

Canonical textbaf5b36bae7fb964ebb27d844e23f4f51b90de65a8ab4534e577602b2fc3384d
Markdowncfb89665ba175e3d7ae1cf2b2525202e19e6f07128c4ab52e157feaf56ecf184
PDF
Publication pageacb3b904ede7ce138389df18132b7776a199a86d5c87f0e7f9c765c58a3b884b
Manifestc41d227c5201e4c8d7e44e5538b74dc194930431346c7ae39ad5e00585dc2c34

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
SignaturezRYfqbzMlroy6RDqpuodv0LFhB9JgaOjTJQ1HRgNZ72YIazZU66b8s6oka7b/1YuKHN/caah4ldJcFg6DbU+Dw==
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

2026-09-17T11:06:43.997743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047597
observed acb3b904ede7ce138389df18132b7776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:43.980736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047597/manifest.json
observed c41d227c5201e4c8d7e44e5538b74dc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:43.961095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047597/publication.md
observed cfb89665ba175e3d7ae1cf2b2525202e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:43.943160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047597/publication.txt
observed baf5b36bae7fb964ebb27d844e23f4f5...
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.