OpenTechnical

OT-2026-000087047

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained 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-2026-000087047) never changes.

Identity and time

Publication numberOT-2026-000087047 · never reused
Internal UUID01a0ae9a-9f2d-7f30-aec5-fd73cf36abcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087047
StatusPUBLIC

Content hashes

Canonical text43d430986a3c80f06b3ac57a810fdd381c9de79f135ab0f4290cf969cadf06e0
Markdown01fb1484c9596fc626b6c29dd8e21e6fada7eb281c7a735e34ea54dcfdb0557d
PDF
Publication pagef41acc30e7dda5ba1d26b308505c49178ced65136ce2ff7923022113cea7af04
Manifestd27e132bae3ddb83cb5a67bba3305e64494ad57b0b2904095ecea4e02a5a0d7e

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
SignatureY9DA5vnkwjqoXFfBsBcK0DVBFtdtseJH+8AEG+pjhCHM69Qe/cmq7UYJz0yjGVv9eGZevpwQ3sF+d1GEi8/qCA==
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

2026-09-17T09:51:17.546028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087047
observed f41acc30e7dda5ba1d26b308505c4917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.530684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087047/manifest.json
observed d27e132bae3ddb83cb5a67bba3305e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.514853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087047/publication.md
observed 01fb1484c9596fc626b6c29dd8e21e6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.498433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087047/publication.txt
observed 43d430986a3c80f06b3ac57a810fdd38...
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.