OpenTechnical

OT-2026-000067306

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000067306) never changes.

Identity and time

Publication numberOT-2026-000067306 · never reused
Internal UUID01a0ae8f-6bd6-77fe-9916-3f30c9da9163 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067306
StatusPUBLIC

Content hashes

Canonical text2e4f5e391c4d303586ee23b8ae03c9eaec8fdd349d78adf46c92ab43dade3940
Markdown9640115e895aaf3b212150e6703141f93c82a7fdbffdc30d63c68ef53c88d9cb
PDF
Publication page4955e59a6140e7a4c83206341bd2de47df818a435c860cc7e9053e6f347de39e
Manifest266dbbc6aff1d450a3f54b915d3d49eaa625956f81ea21f07719b7202e3fc6de

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
Signatureu9DKrAGanXcsqo9kXug9P94/4fQX6CV2f095Mo4k6KqHVS8XZKc0OjwYQe1g3Q9HKwOTn5+QFLhnogdufuczBw==
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

2026-09-17T10:31:28.622039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067306
observed 4955e59a6140e7a4c83206341bd2de47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:28.604575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067306/manifest.json
observed 266dbbc6aff1d450a3f54b915d3d49ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:28.586767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067306/publication.md
observed 9640115e895aaf3b212150e6703141f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:28.568689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067306/publication.txt
observed 2e4f5e391c4d303586ee23b8ae03c9ea...
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.