OpenTechnical

OT-2026-000021384

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000021384) never changes.

Identity and time

Publication numberOT-2026-000021384 · never reused
Internal UUID01a0ae6f-865d-747b-ace1-86d5ad67e998 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021384
StatusPUBLIC

Content hashes

Canonical textd61319286195f198881aa7ef451b0fdc132365ce6fc1a25010802b27a98c932c
Markdown3a0922fa43a78c1cd2714d611ec2ab9976ef2a02c8969351ea4c010b8e6d5ccf
PDF
Publication page5da745e6005ede8cae23f4c17815b8fc7f5a76a98789d5bbbeb038ca97bff0a0
Manifeste58083ea3fda6b7b321d4485715a714762bd9702a68596f01b120c8bebf61000

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
SignaturenhyW13EGtiuj4nHkQFVtRj9zz1gEjR3nifEyIJ9abYj7Sj+UCOW/dnOEFnS2AOMTpbvHcyv/8vQJjNKp3cVWBQ==
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

2026-09-17T11:55:15.807701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021384
observed 5da745e6005ede8cae23f4c17815b8fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:15.779947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021384/manifest.json
observed e58083ea3fda6b7b321d4485715a7147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:15.751300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021384/publication.md
observed 3a0922fa43a78c1cd2714d611ec2ab99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:15.725849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021384/publication.txt
observed d61319286195f198881aa7ef451b0fdc...
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.