OpenTechnical

OT-2026-000018530

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000018530) never changes.

Identity and time

Publication numberOT-2026-000018530 · never reused
Internal UUID01a0ae6e-b48a-7328-95b7-65d2eed55989 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018530
StatusPUBLIC

Content hashes

Canonical textb02fe6f8017e20088310a58527f2937ed3752d5ea6d8945f9f92539f3163c145
Markdown133c8418dbd0db679f283645497ba8c1dfe8326c257a96063291cb0c34787ba0
PDF
Publication paged0c3f4879ca7d2b023e0ce1dbac64e7d255e2efe0fa929f0cd20a106793c1b74
Manifeste96d59bc85448819017e598586a09157b818074d024f8a9d1fff66131568f01b

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
Signature75VTgcbTC7zeudUaKEGGoVjQDe53Im3vGjbEYtSjVc9V4SuaDkwczAgJTfz0QgLHz5Wb6Q2xIH8OXBRtLkZHAw==
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

2026-09-17T12:01:18.420991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018530
observed d0c3f4879ca7d2b023e0ce1dbac64e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:18.402400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018530/manifest.json
observed e96d59bc85448819017e598586a09157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:18.384680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018530/publication.md
observed 133c8418dbd0db679f283645497ba8c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:18.366607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018530/publication.txt
observed b02fe6f8017e20088310a58527f2937e...
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.