OpenTechnical

OT-2026-000034191

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000034191) never changes.

Identity and time

Publication numberOT-2026-000034191 · never reused
Internal UUID01a0ae75-df0d-7a80-a359-3b2d23fc82aa · 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-2026-000034191
StatusPUBLIC

Content hashes

Canonical text1e735ee5575e0fd5ecce3fdd2aa1522175e1b01e9af7492d4ed73579185b3379
Markdown9c808be7f801528c652ea6d985bb178dc27c89cc4c6ed519ba994a05336c3d93
PDF
Publication page316ee4f9f9b2558a498324477b7a44fa1068df7c22e9a0d86775cd95b963f639
Manifest7da86fe0c7c8cf5dd74587156bf36b9a655ce9e174bf72b69a2ff5536fb6facf

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
SignaturekdLTfSANROwpbfpLWXvI0Gb8CGiP/TUlDvogKUWmxF2tfEq25DJF/O4G9c4qcBXbPCh3WAxmPPYdXKFJouaCDA==
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

2026-09-17T11:30:43.828837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034191
observed 316ee4f9f9b2558a498324477b7a44fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:43.811077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034191/manifest.json
observed 7da86fe0c7c8cf5dd74587156bf36b9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:43.788048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034191/publication.md
observed 9c808be7f801528c652ea6d985bb178d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:43.769625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034191/publication.txt
observed 1e735ee5575e0fd5ecce3fdd2aa15221...
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.