OpenTechnical

OT-2026-000069029

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000069029) never changes.

Identity and time

Publication numberOT-2026-000069029 · never reused
Internal UUID01a0ae90-6dcd-7abe-a3c4-428b99ee44ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069029
StatusPUBLIC

Content hashes

Canonical text57a4f2eeecb715c953afbd9a1977ba440de40fdbed1ab72e91bc098c6a261b21
Markdownf93157f61467833b490d7394037df414ee16d5a344ed492c9e179159a5fb9c81
PDF
Publication page0c6df346bfd6569ec26dca09b1d66ecc9484caa2489a127c7549e146935a2c4a
Manifest3c94ba963fcb2dfbef250775289a1c6e2ac48aa6f37b6165fd6e4fd13a066738

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
SignatureI/I1f9sGmTBzffO1inM1D1ipwVDW7pJmoFNQw2ByUQL1A2eg/dFg7ekVfjTmGO0pyTQ++eJlW6wHLht9WhZVCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:53.057919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069029
observed 0c6df346bfd6569ec26dca09b1d66ecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:52.956960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069029/manifest.json
observed 3c94ba963fcb2dfbef250775289a1c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:52.938220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069029/publication.md
observed f93157f61467833b490d7394037df414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:52.920867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069029/publication.txt
observed 57a4f2eeecb715c953afbd9a1977ba44...
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.