OpenTechnical

OT-2026-000012192

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000012192) never changes.

Identity and time

Publication numberOT-2026-000012192 · never reused
Internal UUID01a0ae6d-39f5-7a61-93c8-9fe51131dd2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012192
StatusPUBLIC

Content hashes

Canonical text099c726c3faaba5e87f7e4ee0a1956f303606cee2a568f8c2a128e5bbf4d821b
Markdown2c993c61fcb6fd2826eaf8cea2bd266cc3efdbe30ddb94cfff1af62a38e58bd9
PDF
Publication pageb7fe9f2ba5575d5e509877c99b13246ba7307984e824282ed87fe16dbd379937
Manifestda397cb478263b39a4298d9367d941c9346c698fec724a0d90a01512332b6e49

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
SignatureDZ5FgLf6EbKbFBKwd3/sPGAceO3l/RAuj0CCvmBiucD6Tp3sB1RQFxXsxxXep7kraBJ7Hx/hQbDMj4AnzMmrBQ==
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

2026-09-17T12:11:06.015542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012192
observed b7fe9f2ba5575d5e509877c99b13246b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.996237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012192/manifest.json
observed da397cb478263b39a4298d9367d941c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.975772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012192/publication.md
observed 2c993c61fcb6fd2826eaf8cea2bd266c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.956211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012192/publication.txt
observed 099c726c3faaba5e87f7e4ee0a1956f3...
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.