OpenTechnical

OT-2026-000090009

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000090009) never changes.

Identity and time

Publication numberOT-2026-000090009 · never reused
Internal UUID01a0ae9c-428e-7211-b29d-cdd220b4172c · 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-2026-000090009
StatusPUBLIC

Content hashes

Canonical textc0a80e8c7e5e6b375c27fb78b3bfd9c957ef3786aa4f3a8e4f5773fd81aaf509
Markdown07bd3615d3bf9c9b362f2d973795a6a319884102d7d700e72b09970f88bb9d5f
PDF
Publication page8c8ce70f4347023201857ce94ae65728acc12cc24e434957b3155b7e124d4a27
Manifest668ceef2d5e40d1eb17dfb3d6b4afe7f5b08ab38f3b98d1cd6e2230b4e391522

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
Signatureb/j8uW116w6mwvrdnq1FhqfTNguuDS/m812Rh6gpTwaEJ5h8YScwe1FjnRAXXK0G74mE8rNZQLMUQLHw5Bv+DA==
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

2026-09-17T09:45:24.197512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090009
observed 8c8ce70f4347023201857ce94ae65728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.180132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090009/manifest.json
observed 668ceef2d5e40d1eb17dfb3d6b4afe7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.162626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090009/publication.md
observed 07bd3615d3bf9c9b362f2d973795a6a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.144030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090009/publication.txt
observed c0a80e8c7e5e6b375c27fb78b3bfd9c9...
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.