OpenTechnical

OT-2026-000022248

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000022248) never changes.

Identity and time

Publication numberOT-2026-000022248 · never reused
Internal UUID01a0ae6f-f4fc-7651-b253-2d5425167a61 · 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-2026-000022248
StatusPUBLIC

Content hashes

Canonical texte29868648aea90354b7219cbe0fa9a0933ef5deee4acb75951e4bc0523f31c77
Markdownda1a26c53019c72274c73b726b6000360424d85e6c82ef1193bb305e316fcda5
PDF
Publication page28cd4040ccf9968ca020a24ffcfd4fe946dc542c1d4c49af8938861491905ef8
Manifestb20940629423d77665dce03478d02193020518cbca50b6805d55a7cf232b8cd6

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
SignatureJvvpuz4uMKnMpb43MRhCQkawhriUbyixaWUYJ+3fhvJS57PDjvk3m5hXZFjHMBVwzTCEpNBiLGDEcxUKdCbnAw==
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

2026-09-17T11:53:02.707436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022248
observed 28cd4040ccf9968ca020a24ffcfd4fe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:02.685485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022248/manifest.json
observed b20940629423d77665dce03478d02193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:02.663456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022248/publication.md
observed da1a26c53019c72274c73b726b600036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:02.645155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022248/publication.txt
observed e29868648aea90354b7219cbe0fa9a09...
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.