OpenTechnical

OT-2026-000090067

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000090067) never changes.

Identity and time

Publication numberOT-2026-000090067 · never reused
Internal UUID01a0ae9c-428e-723b-bc2c-9f2c157dbfd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090067
StatusPUBLIC

Content hashes

Canonical textc3a794fad05d20bb0478ec42b4620e4dfb8ac4033f11db9fc88b8fd87769018e
Markdowndf58ad5ecf94acbb2231aaf69a1b1d429ed31749dae33e31a5d8142e166a47c4
PDF
Publication page498725ce01e009ecd25826e3809631d44238bace4701d4cf977ed1cd12da8384
Manifest75544f0d4068149fd149bbb23be5695fa1395fad7b442fda07e4ade602b042be

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
SignatureYjav3b6cyBTvAnLVSRsOnVoXOGtugl1if0mjP6luXEkkZ177rqAG8E+dzfEkw4O9d0hT0JPtaFwjL9mnGJVFBw==
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

2026-09-17T09:45:28.815494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090067
observed 498725ce01e009ecd25826e3809631d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.793905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090067/manifest.json
observed 75544f0d4068149fd149bbb23be5695f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.776320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090067/publication.md
observed df58ad5ecf94acbb2231aaf69a1b1d42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.758809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090067/publication.txt
observed c3a794fad05d20bb0478ec42b4620e4d...
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.