OpenTechnical

OT-2026-000013828

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000013828) never changes.

Identity and time

Publication numberOT-2026-000013828 · never reused
Internal UUID01a0ae6d-8de9-7f37-9883-39e55bb820e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013828
StatusPUBLIC

Content hashes

Canonical textd3f935e601e9b81fc1dad30bd018f0df745d59ad5ab82020659ead3acd70387c
Markdown05e0343b126c88d4ea28fdca06684d30a2c971a2cdef6f5551b3a61e8a8b392f
PDF
Publication page7f4288707d88430de49006886dd3a30520ee44db669e25151903c430abfbd887
Manifestfa50e80beb55500bea716c35dfbba93237077514fde523b6b24c6d8e7e8b5621

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
Signaturep3bFk/TCQ11tbjNHIyzDzO6hkKJ217iByeQhl4nm3xvEyGhI+bQH2M07dQpQIm3wxiGzvdUfb33eDah2n7fmCw==
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

2026-09-17T12:08:55.757874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013828
observed 7f4288707d88430de49006886dd3a305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:55.717868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013828/manifest.json
observed fa50e80beb55500bea716c35dfbba932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:55.699527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013828/publication.md
observed 05e0343b126c88d4ea28fdca06684d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:55.660755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013828/publication.txt
observed d3f935e601e9b81fc1dad30bd018f0df...
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.