OpenTechnical

OT-2026-000013163

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off before set-down

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-2026-000013163) never changes.

Identity and time

Publication numberOT-2026-000013163 · never reused
Internal UUID01a0ae6d-6fc8-7a6e-920a-a24adb00d7c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013163
StatusPUBLIC

Content hashes

Canonical text380268b2bf1810c0680a7cad887f6552a45163c00d8289d16c4da9bf2f937a42
Markdown20dbd8632f74bf1b0083f6ec61c17e17b48e5a45c71e5bf1e2d0cdf51b74868c
PDF
Publication paged6815d1d93f6554254b763802ad2d02a16b57fe8a888922feee9c84cd5c810fd
Manifest3f3a3bd9d4b347d57ec5632e34bb5ded34ee069ef13e07b5c99de2d972610c93

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
SignatureKXc8weeTF9CgwXI1JOEEz6R0MGs6f6HTTMVjKYLGArfVZMFu51TtSsJnEUbY6OdITmS9mQxMp14r57vUFbdbAg==
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

2026-09-17T12:09:32.146655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013163
observed d6815d1d93f6554254b763802ad2d02a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:32.125380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013163/manifest.json
observed 3f3a3bd9d4b347d57ec5632e34bb5ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:32.104477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013163/publication.md
observed 20dbd8632f74bf1b0083f6ec61c17e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:32.085437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013163/publication.txt
observed 380268b2bf1810c0680a7cad887f6552...
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.