OpenTechnical

OT-2026-000100324

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100324) never changes.

Identity and time

Publication numberOT-2026-000100324 · never reused
Internal UUID01a0aea3-3054-7bb1-8a8a-be16745ef04c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100324
StatusPUBLIC

Content hashes

Canonical textf878331c7be4973037812a066631362e1751b8f89a23e202510d301478316f4c
Markdown732e6d23b05b137b58a8a8529c369f67a5609b96b64df0cd523f1f5d2c2b4d72
PDF
Publication pageceb71fa580d6fb96591c675c9cc26deaed4d3065f1e266f16ae8bd88dcd890e8
Manifest71cee91dd593e04e4127faab0bd0ecde1b0650e365fac2e1f200c8cfc63bca53

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
SignaturepQU4QsE6uiRxl5fKGtQP8KxlZgJ6IBPlloV0uz7oLstRoszn3qh0VhnZOUAdAMnPKuLf/BTPBZdcZFUarn2zAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:15.886282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100324
observed ceb71fa580d6fb96591c675c9cc26dea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:15.867139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100324/manifest.json
observed 71cee91dd593e04e4127faab0bd0ecde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:15.845012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100324/publication.md
observed 732e6d23b05b137b58a8a8529c369f67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:15.825579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100324/publication.txt
observed f878331c7be4973037812a066631362e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.502534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100324
observed ceb71fa580d6fb96591c675c9cc26dea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.482518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100324/manifest.json
observed 71cee91dd593e04e4127faab0bd0ecde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.463255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100324/publication.md
observed 732e6d23b05b137b58a8a8529c369f67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.443544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100324/publication.txt
observed f878331c7be4973037812a066631362e...
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.