OpenTechnical

OT-2026-000091637

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091637) never changes.

Identity and time

Publication numberOT-2026-000091637 · never reused
Internal UUID01a0ae9d-43b8-7bda-912f-6be7a44becd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091637
StatusPUBLIC

Content hashes

Canonical textd41f35ae32c012e00b04402f7003926ce286552cdedbde2c514be9a22a33a9d5
Markdowndc048783c0a9812fcabe0d0bf4580e081c54c5c4a9da333b75cccf3b1e2dc907
PDF
Publication pagee074d1e73d286b1fd8ac0d811c40dac558374375c3c67257af2cf0dd14fcace4
Manifest6c9fec1daa518a17ecaeb6d922356ee2168643d9daa8f31c337f085b2479a6e1

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
SignatureqsTnWet6TZ4Rws1QPLnpg6Ek4YJP61/rNVhRquXr+BhhFiE3Ml+Y5lcXPLYgKanWYeaD/J5QsnMbztMVfpqjCQ==
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

2026-09-17T09:42:00.213791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091637
observed e074d1e73d286b1fd8ac0d811c40dac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.197456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091637/manifest.json
observed 6c9fec1daa518a17ecaeb6d922356ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.179016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091637/publication.md
observed dc048783c0a9812fcabe0d0bf4580e08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.162743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091637/publication.txt
observed d41f35ae32c012e00b04402f7003926c...
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.