OpenTechnical

OT-2026-000015120

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before 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-2026-000015120) never changes.

Identity and time

Publication numberOT-2026-000015120 · never reused
Internal UUID01a0ae6d-ef47-7019-bd0a-1a5569de9984 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015120
StatusPUBLIC

Content hashes

Canonical text025379b9ad99ac46dbeae345d82e43fb9a8991cacc729cf9e7f111f04df5df8b
Markdown2eb5cad00c491fb17c13ac656dc17c87f8baeb5b4b6546a538396e95c7373757
PDF
Publication pagecf339fad1a191150a68bb51b1222bcae89ea2c741ba4841245c0fe7ca97b8e4e
Manifeste033024cb78ed6860200a4368308e2a6a923178acc4a76b2299860a8a7d366af

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
SignatureBB0DSXbZgyeJ3qWzYaqEgDqxe5RseMANejSyHXGwneN2ct+yisbo+PxUSs6QPmS7ySWeH3sIMCm6Kd5pYu6mDA==
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

2026-09-17T12:05:42.870389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015120
observed cf339fad1a191150a68bb51b1222bcae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:42.850577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015120/manifest.json
observed e033024cb78ed6860200a4368308e2a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:42.831076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015120/publication.md
observed 2eb5cad00c491fb17c13ac656dc17c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:42.810599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015120/publication.txt
observed 025379b9ad99ac46dbeae345d82e43fb...
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.