OpenTechnical

OT-2026-000035717

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000035717) never changes.

Identity and time

Publication numberOT-2026-000035717 · never reused
Internal UUID01a0ae76-b4c8-7006-92b7-13e52dc01974 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035717
StatusPUBLIC

Content hashes

Canonical text5057f4574eac90424646d9c43b3169fceafa2899faaee0e18eb53d683648d1f5
Markdowna93c3d3e315780e9d69559316626e49a006a23202eaf8695fd84f517c8409261
PDF
Publication page6b0967a4dbae26da83b0e428f0ea2580812488ad6ec826056283a50cbdae5366
Manifest5afe785e1fbf0dc148d7f006a39b2e34183a5da51a8c3e77be6860b0d568b9af

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
SignatureSnGQua0S+3jFvyk57FD/B23e1W1gpihUSiyM85cEQdJunFXHbPYBBLiY36sPl1wIFc/PDBEwpRKe9JoP6i8/AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:27:18.225643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035717
observed 6b0967a4dbae26da83b0e428f0ea2580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.204682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035717/manifest.json
observed 5afe785e1fbf0dc148d7f006a39b2e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.184477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035717/publication.md
observed a93c3d3e315780e9d69559316626e49a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.162898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035717/publication.txt
observed 5057f4574eac90424646d9c43b3169fc...
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.