OpenTechnical

OT-2026-000033536

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000033536) never changes.

Identity and time

Publication numberOT-2026-000033536 · never reused
Internal UUID01a0ae75-a38e-7f1d-8066-14a0739e2cd1 · 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-2026-000033536
StatusPUBLIC

Content hashes

Canonical textb00dd58a6ef0becf6514bcae3b59b9d11c6977b1ab44bce356bde7e326f5994b
Markdownca058316c5bae758472e8fe18b9e50aad5ff390646bbc14d51ac544e6cc5d8ea
PDF
Publication paged1fc9dd92fca1a76b19c189e92d8aec657acd88fb78c860fd4219af44bfc8ae8
Manifest4098b98108823d06073e91d49705d50d7c5fd122358d12c2d0152bff139499e2

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
SignaturekdzRFrdtKfpkQiRadg7t3d3GHu4kmh+F4loYeHlwbA18GfU2ylDc4/q8OKcJr/I5sN2g8zXcoWlGdPmItIOHAg==
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

2026-09-17T11:31:23.772703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033536
observed d1fc9dd92fca1a76b19c189e92d8aec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.755465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033536/manifest.json
observed 4098b98108823d06073e91d49705d50d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.736171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033536/publication.md
observed ca058316c5bae758472e8fe18b9e50aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.719234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033536/publication.txt
observed b00dd58a6ef0becf6514bcae3b59b9d1...
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.