OpenTechnical

OT-2026-000005904

Publication integrity record

Porous face vacuum gripper, three outlet manifold, ejector fed, pressure verified, vented after 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-2026-000005904) never changes.

Identity and time

Publication numberOT-2026-000005904 · never reused
Internal UUID01a0a948-b943-7700-8bd8-36e2c9f2caa0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:15:10.662967Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005904
StatusPUBLIC

Content hashes

Canonical textde128a1370192c11b68c0e87390e5afe13af9ca30c688b4471f55bbc0b6af3b7
Markdown98853360ef9eeacb1f1725da960e81cc8fc66ee21a6e1f0bc035cd00ba170da8
PDF
Publication pagef039d3ff5a5a2fc36ebc4df5134d0ff2d6316f35d7bfac64ecd364c3569fd872
Manifest6df9dfcaa14f54075173bedb1960b2574b533d653010262de33ab8c6c74b4298

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
Signaturej/1RHyjCLNSH4FhmM1xDXqnUm0GrTFYXnVOxp975fEL/iInJ7Dw6PLEdxKD1nyGarxDkM8zyF5yRwm+b/HceDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:19.373643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005904
observed f039d3ff5a5a2fc36ebc4df5134d0ff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:19.262689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005904/manifest.json
observed 6df9dfcaa14f54075173bedb1960b257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:19.247771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005904/publication.md
observed 98853360ef9eeacb1f1725da960e81cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:19.231253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005904/publication.txt
observed de128a1370192c11b68c0e87390e5afe...
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.