OpenTechnical

OT-2026-000095009

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, 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-2026-000095009) never changes.

Identity and time

Publication numberOT-2026-000095009 · never reused
Internal UUID01a0ae9f-2df0-7a94-8b29-9233b52e02a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095009
StatusPUBLIC

Content hashes

Canonical text1a49d7a66235ca09b472a8d251799c71ab026dd81a48646e5c278a86ca9a1621
Markdownb4e3afab0975cfc8d101e51819952ca923a305fdf531aa5eb8ba68c9f116cb14
PDF
Publication page4d99b2246e5daaa7f6c2ff629b8605a9c347ecda9f70071040d61b8ddab9112f
Manifest02bf55074622af404c80d487481175e8cfc9dcc4e76e8d3a8029bd034b055bd8

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
Signature2svtbnNZBXJs03JfAuyuylnonWhnFqQpXJgKcCRDEvk9C84Q+37B0V3Eb0X4AD2khQl4ZQ5FCwGfrop//EocCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:33.902854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095009
observed 4d99b2246e5daaa7f6c2ff629b8605a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:33.884950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095009/manifest.json
observed 02bf55074622af404c80d487481175e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:33.866400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095009/publication.md
observed b4e3afab0975cfc8d101e51819952ca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:33.846696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095009/publication.txt
observed 1a49d7a66235ca09b472a8d251799c71...
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.