OpenTechnical

OT-2026-000061204

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line 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-2026-000061204) never changes.

Identity and time

Publication numberOT-2026-000061204 · never reused
Internal UUID01a0ae8b-1380-77c5-a9cd-b5c0bba89bff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061204
StatusPUBLIC

Content hashes

Canonical texta9d4f673f66b5f5a56e6828810fb119766c558ba736b6fcd29e6e6056cc9b88e
Markdownb6d0a19a92d6d785041c10207f563d51e15c03b61dfcc8b2a85965d000bf36de
PDF
Publication pageb9ca8cea25673f9609c8c1392e578842d33b8a1c1461cab8afb6528b3bf944c2
Manifest8d6f79b49e95b0214ac88f45f78d9bc04213f23d1103435c39b8a1d8def94e7f

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
SignaturephAPbvXHia3HhruAmHOc/y8XNMxYr56pI1oEdEqOdRLVOBSv/u8lLrbRoBWqeMivQQIzx1eGmI7IC+o8KFrxCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:36.227526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061204
observed b9ca8cea25673f9609c8c1392e578842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.209976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061204/manifest.json
observed 8d6f79b49e95b0214ac88f45f78d9bc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.191545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061204/publication.md
observed b6d0a19a92d6d785041c10207f563d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.172683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061204/publication.txt
observed a9d4f673f66b5f5a56e6828810fb1197...
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.