OpenTechnical

OT-2026-000034199

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, 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-2026-000034199) never changes.

Identity and time

Publication numberOT-2026-000034199 · never reused
Internal UUID01a0ae75-df0d-71b4-9f93-811b49786363 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034199
StatusPUBLIC

Content hashes

Canonical textf7fb24e55b74bf81e5429516147b0551a22acdd6f970d46c734ccda92ce02494
Markdown84dfa28a6655876782d62a96992c27a438d9f5514b5983c0e9b0ac7083bcd7c7
PDF
Publication page9e040c230aaa33b18cc5a4b3476761ff679844dc529724b6e81bc1561b63c40c
Manifest07df94e051249c9d548cf9b14c8b431efdfb9873602a77740f52ea74d2e32a3c

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
SignatureJ6r5SausIVmKzjvdu8ovBdvTCTQZOTN24qLP98v9XIQZaWKtb7WceCRISd4K40Ca+qdrvFZIOZjtQCAGuwF+AA==
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

2026-09-17T11:30:44.500625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034199
observed 9e040c230aaa33b18cc5a4b3476761ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.479529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034199/manifest.json
observed 07df94e051249c9d548cf9b14c8b431e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.460257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034199/publication.md
observed 84dfa28a6655876782d62a96992c27a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.436881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034199/publication.txt
observed f7fb24e55b74bf81e5429516147b0551...
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.