OpenTechnical

OT-2026-000065457

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000065457) never changes.

Identity and time

Publication numberOT-2026-000065457 · never reused
Internal UUID01a0ae8e-46f9-716b-8e51-f05784b03593 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065457
StatusPUBLIC

Content hashes

Canonical textcc29f7c0abd76446db7e48d47f3b5618db65eab66971632a9824b09cdd4cef8b
Markdown79af586a0127f270446679f03dad59e669b684161c821fd1564b254f01a0f193
PDF
Publication pagec700a4a5a3c6e38c203634cfc433f590b902b6c1ebc3819a2ffb9e6973f9cb4b
Manifeste3e657a77f47e38e739879e82ebbfd4d5a15fe8998117ead452c9abe6d6db3cd

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
SignaturelzvA2KJDqz40hcLw2ZgYXsk3dP+tf12vwIA6HrGD5UAWRXScJ8KL7Ew5IF8vsRqwSsiJc9EI9IBRTz1xzT+ADg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:44.070956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065457
observed c700a4a5a3c6e38c203634cfc433f590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:44.054397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065457/manifest.json
observed e3e657a77f47e38e739879e82ebbfd4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:44.036637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065457/publication.md
observed 79af586a0127f270446679f03dad59e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:44.016946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065457/publication.txt
observed cc29f7c0abd76446db7e48d47f3b5618...
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.