OpenTechnical

OT-2026-000026494

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000026494) never changes.

Identity and time

Publication numberOT-2026-000026494 · never reused
Internal UUID01a0ae71-f4a8-7e32-ac6c-61fd117369ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026494
StatusPUBLIC

Content hashes

Canonical textaa66fd4675a41b28fc42081b0835748dd21a70f25b463c4c52acfff3f09b863c
Markdown9ee1dce1f2fbfeb309778a9d0dd2db4108974071a2573c34451d88cd907a0692
PDF
Publication paged999ad9b632156a0e0936618959e86f70adba16efc1f00e466abee2827972833
Manifestddaf35191c70b53eaeddb456217ee1d69334a8bd3e97ef2e7103d0759ddfe7ed

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
SignatureCym8CD4QwUILO5cS0Rq2yl26lWyH11DPTKjqYbw62IR+djpMnhvUHpLq5hK27cKM1GM7pI0b+JId/6yc3p6gCg==
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

2026-09-17T11:44:37.271816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026494
observed d999ad9b632156a0e0936618959e86f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.253481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026494/manifest.json
observed ddaf35191c70b53eaeddb456217ee1d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.234883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026494/publication.md
observed 9ee1dce1f2fbfeb309778a9d0dd2db41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.215186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026494/publication.txt
observed aa66fd4675a41b28fc42081b0835748d...
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.