OpenTechnical

OT-2026-000014161

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000014161) never changes.

Identity and time

Publication numberOT-2026-000014161 · never reused
Internal UUID01a0ae6d-b278-74f1-8444-5661236f5a67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014161
StatusPUBLIC

Content hashes

Canonical text105f1b059f53ec6d7bf0ad68c1518c4bc630d35d53ee45fdd66c8521e7d1af11
Markdown1b422a3abb63fb5cb1065d8a316a14e86f4ef6be7bf234784d4ff9c54c244a99
PDF
Publication pagef09d6954bf926af11c686bac314375af41896ce3a8be28c437508ee0d07464b6
Manifest975036ccabb394695234eb9097978885f9c8e01d54ec24d032bb77e031087658

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
SignaturesDmoYCtuY95krPtIcOsYcSicKzJFMie0LwFxMfkDpnj6g9NfHPcMYJ7J2Rynli9BUMcyGuDSe9hzOh4dnHilAg==
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

2026-09-17T12:07:14.751630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014161
observed f09d6954bf926af11c686bac314375af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.731519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014161/manifest.json
observed 975036ccabb394695234eb9097978885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.711712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014161/publication.md
observed 1b422a3abb63fb5cb1065d8a316a14e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.694100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014161/publication.txt
observed 105f1b059f53ec6d7bf0ad68c1518c4b...
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.