OpenTechnical

OT-2026-000078524

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented after 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-2026-000078524) never changes.

Identity and time

Publication numberOT-2026-000078524 · never reused
Internal UUID01a0ae95-7c29-7917-968e-2c00ee5881b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078524
StatusPUBLIC

Content hashes

Canonical text5a7a7a7e9dc51f84baa6062db1e503cca5aea313aa7c8e9315a70227a41c4a4f
Markdown7a2e9160e4cd2dd7516052d429be22a4d39b3b881bf89e53d2bafd49c8bd0a1f
PDF
Publication page32deffbcf5e090c2ca4f2572b143f1ff4cc8105ed9a2d59c45205a922bb37c98
Manifestba1143eddefafc8fc997424442a51c982ff8fb0b98883b8b034877a445a5e418

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
SignaturedLfI7L1jwMtr/g5uaTr1VgKH/Ej07oncEsvPpmLrySZgT2rItpVeFS2ZO8FBFC4wDeFHzo0wPMUTYsJBqU9RCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:32.531688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078524
observed 32deffbcf5e090c2ca4f2572b143f1ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.515006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078524/manifest.json
observed ba1143eddefafc8fc997424442a51c98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.496130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078524/publication.md
observed 7a2e9160e4cd2dd7516052d429be22a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.476048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078524/publication.txt
observed 5a7a7a7e9dc51f84baa6062db1e503cc...
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.