OpenTechnical

OT-2026-000022340

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000022340) never changes.

Identity and time

Publication numberOT-2026-000022340 · never reused
Internal UUID01a0ae6f-f4fd-7b16-bc8f-a862b49e9d42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022340
StatusPUBLIC

Content hashes

Canonical texte1d1ca9a21a36f7cda20436c8c3568d5dc268565aa82ce06a4e7463bf98322b5
Markdown7afbf4064cfe9f2474e9a28a347aff0895602c04a9cf473773b2098a8256fca4
PDF
Publication page7636111d67bea0ccc9b8d1cfb599a755a202c7062549810e4eba525e3fbff91b
Manifest4be93b9f734ba41f67042957c704f059b354e656ebd186a0bf0270effa4d6e4e

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
SignatureMf55WmyoeP+oZbqLsv4geCjQfqKI5Zt4tYJYxD58MAMlHoOsxW7O2RUnqIlOjsWi+DgJLB9vB+HNWSrOoE5GDQ==
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

2026-09-17T11:53:42.195403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022340
observed 7636111d67bea0ccc9b8d1cfb599a755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:42.177528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022340/manifest.json
observed 4be93b9f734ba41f67042957c704f059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:42.158934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022340/publication.md
observed 7afbf4064cfe9f2474e9a28a347aff08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:42.142831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022340/publication.txt
observed e1d1ca9a21a36f7cda20436c8c3568d5...
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.