OpenTechnical

OT-2026-000014852

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000014852) never changes.

Identity and time

Publication numberOT-2026-000014852 · never reused
Internal UUID01a0ae6d-d094-7504-af5b-9069ab76370e · 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-2026-000014852
StatusPUBLIC

Content hashes

Canonical text4b57d09ef156e24fcc05ea9e1d0af9045b6b5f9161794fef3e6008bd16bc3951
Markdown476454531f25051ddd3cc5416983fd524d41aa0d68f93d0c15062ba44edf0915
PDF
Publication pagef47d397d0d5f0ce511494973981601f22d16f4937bba7853d1a4a518022f4edd
Manifestb7a1b3603cc1dc5310fc514d660c737eb0cafe84cb98a99bd60742aef1cb4ecc

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
SignatureQqJdJ7c+E1YEfnYhbsAsnmlU156eHzrpAUJJlU+qVUhKJYezFsQ9tJCoiRFnqE/E+YPy7wgSOHLSGO6bWbYvAg==
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

2026-09-17T12:06:45.935384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014852
observed f47d397d0d5f0ce511494973981601f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:45.916261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014852/manifest.json
observed b7a1b3603cc1dc5310fc514d660c737e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:45.897714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014852/publication.md
observed 476454531f25051ddd3cc5416983fd52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:45.876434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014852/publication.txt
observed 4b57d09ef156e24fcc05ea9e1d0af904...
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.