OpenTechnical

OT-2026-000091765

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091765) never changes.

Identity and time

Publication numberOT-2026-000091765 · never reused
Internal UUID01a0ae9d-43b9-77ee-b9b2-79a2ccf40aa8 · 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-2026-000091765
StatusPUBLIC

Content hashes

Canonical textb2f614367a1467d7c320490a18cd6bab89f624c7a11649042608d1d36fdeac8e
Markdown0b5b4a5ec28a3a01c3f31ecf55f7a226450bcfb5465d547a3b08071268230d6e
PDF
Publication page0786d311da7a87f1faee1b33ba5fb52da6b22049866bf38dabecd20c32326c10
Manifest6a8b334c48fd82a62d1782e297cfee9eba39a96407b34137c658e8bacb6669ed

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
SignaturespngkZNHop8sFHsLoOuFvYg3tBIfghtv2K2V/FVcGNwoBjYK4ckCUlbHXYk+og/y+g0RcPt/4RSyRQHHfRaqDw==
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

2026-09-17T09:42:39.527880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091765
observed 0786d311da7a87f1faee1b33ba5fb52d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:39.511055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091765/manifest.json
observed 6a8b334c48fd82a62d1782e297cfee9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:39.493000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091765/publication.md
observed 0b5b4a5ec28a3a01c3f31ecf55f7a226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:39.475873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091765/publication.txt
observed b2f614367a1467d7c320490a18cd6bab...
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.