OpenTechnical

OT-2026-000088449

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line 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-2026-000088449) never changes.

Identity and time

Publication numberOT-2026-000088449 · never reused
Internal UUID01a0ae9b-5d27-760d-a3b3-755165036cc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088449
StatusPUBLIC

Content hashes

Canonical text7907e896bea9fbea0b8d7368b885be38fdf4cf8be9df8a509da8bc5d9e23246f
Markdown1a1f2ce95f68787d79ff0306268c2c4682fb33b884d3946abb45acbafe3dc1cc
PDF
Publication pagee7bc9e748b0679ca93b3aa839919e482fbe9cc0489f86c2bc1c25ab7c7fb8e9d
Manifestc2ba69841a12ac56d8282e50e4e8882dbfe408ff20d3cbee683f87edbb721d3e

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
Signature519PDg8lIGG48YL+LoX4/GTrgiR6PL+db2gBwJXA31cp5sbQHoXIiOQN77joCsRbtfEwlC7hh8Fa0LjdlFzHBw==
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

2026-09-17T09:48:49.669570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088449
observed e7bc9e748b0679ca93b3aa839919e482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.653146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088449/manifest.json
observed c2ba69841a12ac56d8282e50e4e8882d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.633754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088449/publication.md
observed 1a1f2ce95f68787d79ff0306268c2c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.616638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088449/publication.txt
observed 7907e896bea9fbea0b8d7368b885be38...
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.