OpenTechnical

OT-2026-000020469

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000020469) never changes.

Identity and time

Publication numberOT-2026-000020469 · never reused
Internal UUID01a0ae6f-437b-71c1-919f-7291c0c93e9f · 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-2026-000020469
StatusPUBLIC

Content hashes

Canonical text5b9bfe3d3e9a2cc8ec5f23f94e3d46dc04f27f94c77bc7a004bdadb3fdb87b32
Markdownea34390f2b3c881256c7f6cac4c5415237c8b4d293ec814cb227d5232d4150e6
PDF
Publication page7975361a4e75c0a6a7fc9b8edf358d98b4e238fbba76331c32f9f3e8c2a31194
Manifestf3387c39408e394c9d6e7f479c40612602f08802c5e2a5973c0e3dfbf8abfa5c

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
SignatureGKoWR+48ky67qEcMhS32jhgvoWnsz80Ki0giZnVG8ycBltsnjiTFVOvdGyETa1+NHSD/NWIk+RKIFmXdl8sGBw==
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

2026-09-17T12:00:24.269455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020469
observed 7975361a4e75c0a6a7fc9b8edf358d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:24.249651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020469/manifest.json
observed f3387c39408e394c9d6e7f479c406126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:24.223629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020469/publication.md
observed ea34390f2b3c881256c7f6cac4c54152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:24.205416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020469/publication.txt
observed 5b9bfe3d3e9a2cc8ec5f23f94e3d46dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:28.235782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020469
observed 7975361a4e75c0a6a7fc9b8edf358d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:28.218714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020469/manifest.json
observed f3387c39408e394c9d6e7f479c406126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:28.200856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020469/publication.md
observed ea34390f2b3c881256c7f6cac4c54152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:28.182668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020469/publication.txt
observed 5b9bfe3d3e9a2cc8ec5f23f94e3d46dc...
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.