OpenTechnical

OT-2026-000020598

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000020598) never changes.

Identity and time

Publication numberOT-2026-000020598 · never reused
Internal UUID01a0ae6f-437c-7887-bc86-5cadbccf8bfb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020598
StatusPUBLIC

Content hashes

Canonical texta7531511f0226455a1328799c8841c7dd4941a79c894925a0d1a8e18440b24c6
Markdown4819c0b353d388d561a80d949b73f365af2a741d8338df181c26fa0e26b3b929
PDF
Publication page9f075653a7c0fa18438b2f5da4690ad78dc86bedada71318f0030878e42ea16f
Manifestf36aeeb71dba02e722c73e7997646c07aa24f77da6fad87c50c724b1b4c4a88c

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
SignaturedsMy3b1hP7b2vI7cRRS8AewjrBEjKrt3Si0WneQ0zVJnaoQ4Ff0aBwmJ7h/z9m7D+RKJOqdtlZqq2bObvf6RDg==
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

2026-09-17T12:42:42.485830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020598
observed 9f075653a7c0fa18438b2f5da4690ad7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:42.167336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020598/manifest.json
observed f36aeeb71dba02e722c73e7997646c07...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:41.868631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020598/publication.md
observed 4819c0b353d388d561a80d949b73f365...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:41.469975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020598/publication.txt
observed a7531511f0226455a1328799c8841c7d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:00:44.150844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020598
observed 9f075653a7c0fa18438b2f5da4690ad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:44.135171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020598/manifest.json
observed f36aeeb71dba02e722c73e7997646c07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:44.118039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020598/publication.md
observed 4819c0b353d388d561a80d949b73f365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:44.102477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020598/publication.txt
observed a7531511f0226455a1328799c8841c7d...
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.