OpenTechnical

OT-2026-000041716

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000041716) never changes.

Identity and time

Publication numberOT-2026-000041716 · never reused
Internal UUID01a0ae79-e8a1-789d-a13f-12bca1ffee83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041716
StatusPUBLIC

Content hashes

Canonical textf89deb10f8da3ef3b95c487baa2ef95534a89602fc10045c2b3a324c55df61cc
Markdown61dd231292d1b80f4566ef54bf783acb8eebd9c1ee162649888cbc6dc503a79d
PDF
Publication page11f90d87335ea5ea98d0a658d3d9d01eb4b69b074625816877401f5ae8d059e0
Manifestb92c8b778d8e8d2725cdcfc9b94dfd8d4454b3b5057f329a94889c3fc2978af6

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
Signature+trGgyjC9SkcyO/9Ey3p7ponDAeVHMuhZ49KJECAw7moVIU00wwSFjFEfhnWN1YtOa4kmOq9qsKEvzRh7Kx7Bw==
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

2026-09-17T11:16:33.282230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041716
observed 11f90d87335ea5ea98d0a658d3d9d01e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:33.264562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041716/manifest.json
observed b92c8b778d8e8d2725cdcfc9b94dfd8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:33.248445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041716/publication.md
observed 61dd231292d1b80f4566ef54bf783acb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:33.230190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041716/publication.txt
observed f89deb10f8da3ef3b95c487baa2ef955...
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.