OpenTechnical

OT-2026-000042301

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off 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-2026-000042301) never changes.

Identity and time

Publication numberOT-2026-000042301 · never reused
Internal UUID01a0ae7a-5d73-7404-856e-9d1a73203543 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042301
StatusPUBLIC

Content hashes

Canonical text0feee3e16beba6e53bbf054efe6ccbce4612e6e7aa10064eda22373dfd48e084
Markdown07084bbb544d9c2351f9b56fe432d2cc3aeced42dc87fcd1b9c74de7554ae3ff
PDF
Publication pagee1e60e22239192f46804c7d838e1c7ccfd979afe64aef831735592a65e7971b4
Manifest02493b747390a291ed6f651e541ed4375c523c3516c6c3179d11057958f89f11

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
SignatureElhiydqTe0yazCTfQrbJrvhtSXZIkVsxTMQHM3m9+8wsLfpz335GpzDyJ4bvBylsmELnHlWt0hknqJ/1DWxUBQ==
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

2026-09-17T11:15:59.996104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042301
observed e1e60e22239192f46804c7d838e1c7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.978145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042301/manifest.json
observed 02493b747390a291ed6f651e541ed437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.960113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042301/publication.md
observed 07084bbb544d9c2351f9b56fe432d2cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.940576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042301/publication.txt
observed 0feee3e16beba6e53bbf054efe6ccbce...
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.