OpenTechnical

OT-2026-000033804

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000033804) never changes.

Identity and time

Publication numberOT-2026-000033804 · never reused
Internal UUID01a0ae75-a391-7166-9146-b7bfc849ed41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033804
StatusPUBLIC

Content hashes

Canonical textff7a0b0fd8069c5f50bb49c3d0f4fd285dc985fcdb8dcfd962f55b1d8baf4ae1
Markdown46df1295a1bdbf0db48d2a64908680da9f09974314c40feba3a6cb72901e903d
PDF
Publication pagebf8ea0bcfa0266d44b265e4e6ca6798f29d5871245aa3629ef990967b68adba9
Manifest426eff1d805e4c10eec1c6639018afbd75a02eee182de223ad266a707c907ada

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
SignatureLoTln97VpXk9une8E873NKAQx9M98UQ8pYDikXRndjR+cUKccjB/B7Qtk6yYa76y3gK7ahuLXeSSbGtZdY+iDA==
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

2026-09-17T11:31:50.894951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033804
observed bf8ea0bcfa0266d44b265e4e6ca6798f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.876920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033804/manifest.json
observed 426eff1d805e4c10eec1c6639018afbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.860834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033804/publication.md
observed 46df1295a1bdbf0db48d2a64908680da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.843644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033804/publication.txt
observed ff7a0b0fd8069c5f50bb49c3d0f4fd28...
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.