OpenTechnical

OT-2026-000016143

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000016143) never changes.

Identity and time

Publication numberOT-2026-000016143 · never reused
Internal UUID01a0ae6e-2d10-7d44-9337-d5f9d89b5bc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016143
StatusPUBLIC

Content hashes

Canonical texteff50245fc1cf433ef34af65e781a48719be3dbe57ed7cc93c95742dafd4a7ec
Markdowna3beb8c56ac12bc115550a1023a9b41b2c2a2c69e0d0f42e950be5b9aa1eed6f
PDF
Publication page7a378ecba0c8d6b034f68e9bd64b502a1f0d32582155a793b2b795b9a259ee1d
Manifestaded72b75a9e27ce757937812b414aa2a9e4b049b7404b88701b1b93908777c7

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
SignatureNUaMvONP3Q1qogjDmGCC7bpoHXo5enwuoJlG9yuUKjk0Jhxp+OEKm9FzS/OSZHTGzjy7c4laa1UjdkEwtdVyAg==
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

2026-09-17T12:03:34.893232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016143
observed 7a378ecba0c8d6b034f68e9bd64b502a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:34.874264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016143/manifest.json
observed aded72b75a9e27ce757937812b414aa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:34.855374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016143/publication.md
observed a3beb8c56ac12bc115550a1023a9b41b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:34.836316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016143/publication.txt
observed eff50245fc1cf433ef34af65e781a487...
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.