OpenTechnical

OT-2026-000004839

Publication integrity record

Vacuum cup gripper, 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-2026-000004839) never changes.

Identity and time

Publication numberOT-2026-000004839 · never reused
Internal UUID01a0a924-f6ed-7249-9a7f-d98ba131be2c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:36:07.152652Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004839
StatusPUBLIC

Content hashes

Canonical text3e51144dcc82bedf7c4d033cc356cf4d46c621bfaceb5abe571dabc3e85fe77f
Markdownbfe7b127bbe48985c3609acc48ab758ec3f1b19766d06bb508fb173fa802719b
PDF
Publication pagefd131a9dbc16cac87dfc2c02f47c9fa3cb68bfc888d988951f9c39ddd38d3793
Manifestb969282d96038cf9cf89e050fd96d766c28d4a96985e3ac2f2b14195cb10df76

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
SignaturemV7unYww7/hzgELZHXLB3C1G7L+pnXkHMtMmcAA1cdLHTpHtIvlB9wsIAJKlTg8T6+bpIcXYEeR8pCnvfutaBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:13.448732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004839
observed fd131a9dbc16cac87dfc2c02f47c9fa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:13.436057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004839/manifest.json
observed b969282d96038cf9cf89e050fd96d766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:13.423353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004839/publication.md
observed bfe7b127bbe48985c3609acc48ab758e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:13.411306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004839/publication.txt
observed 3e51144dcc82bedf7c4d033cc356cf4d...
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.