OpenTechnical

OT-2026-000005146

Publication integrity record

Bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure verified

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-2026-000005146) never changes.

Identity and time

Publication numberOT-2026-000005146 · never reused
Internal UUID01a0a92f-596a-7086-b04e-31e409b15bfc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:47:27.725478Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005146
StatusPUBLIC

Content hashes

Canonical textca2e5da5a054219bfdfc5dca306e233acf15e330b7ab78448500d4826b6c0c56
Markdownaced295cf158df153212c1a5e714a1bdec1eb6b17316b1c86407e5efefb453d1
PDF
Publication pagec70b1b632a4b7dd39b53af2a28618c29d10e69c611eda6d106d6e18f9bdd3ada
Manifest2e90f05db93e73b07264e6778351432646e12360234ab82c0e7e6647a0ecac53

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
SignatureAYq3rnohlIPfcwlxNOCQL2pnD32HwblZSy3uucEQIEPh9/tVqgLvel42wrHC+m7tXAlQqN7RQ5zz5mO29IjCBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:10.441863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005146
observed c70b1b632a4b7dd39b53af2a28618c29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:10.423651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005146/manifest.json
observed 2e90f05db93e73b07264e67783514326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:10.407729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005146/publication.md
observed aced295cf158df153212c1a5e714a1bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:10.389583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005146/publication.txt
observed ca2e5da5a054219bfdfc5dca306e233a...
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.