OpenTechnical

OT-2026-000014829

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000014829) never changes.

Identity and time

Publication numberOT-2026-000014829 · never reused
Internal UUID01a0ae6d-d094-7ab0-aa32-6eef1446b8f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014829
StatusPUBLIC

Content hashes

Canonical text16c48c2a257793813ccd7a9850adf5bd8efab2fa694564c6c985a5a59f0e4081
Markdown00d5e9f563fdd0c1b8b9af80d2377da5bd9c651eeced0bf75a5bd31e612f6e48
PDF
Publication page3733ca4386f3ce5c1f9322112ee6742f08f535c0e109d09969d36f1e23bd15d7
Manifestf151a83acb1317a4955a1b5b6a2d76a0b7ccff2f5bc149ae1116998443bbc93c

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
SignatureKiWxFJLUVOyHAmMo0uGsEUOPka1ATwZ7RKqxrZOwZV+CBqA4nuZ8M0UHI+owdmiudv3fJNb6IQLoDrDDgMpkAA==
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

2026-09-17T12:06:44.122098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014829
observed 3733ca4386f3ce5c1f9322112ee6742f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:44.103862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014829/manifest.json
observed f151a83acb1317a4955a1b5b6a2d76a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:44.085402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014829/publication.md
observed 00d5e9f563fdd0c1b8b9af80d2377da5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:44.061492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014829/publication.txt
observed 16c48c2a257793813ccd7a9850adf5bd...
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.