OpenTechnical

OT-2026-000081410

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line 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-2026-000081410) never changes.

Identity and time

Publication numberOT-2026-000081410 · never reused
Internal UUID01a0ae96-f375-7039-939a-d83e5066fa41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081410
StatusPUBLIC

Content hashes

Canonical text2be4959566eb3b37c2a2881ddad9639ec935c91c4c5e430355702886adac32b1
Markdowne387dca9e5b0da0ce94fa57390fab43eefee893d0cc1438ec477e4c1b63e0c80
PDF
Publication page2f6759d55ed558ffc3dd679264c78f389195974427d68bc9d2c9a8044912c8fe
Manifest4f49f20e4ca5645dcda1d36abc441c6e39d233bbd28ce5e826e2957e6c2125b8

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
SignatureAFOgIbCa1hJaWLvS44EaPYDIWz7nTT9Oi9WwUrQdmD/OGxMHASuzJBKlrnue+ubXluWnYUotJrmW1JuEj8uuCA==
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

2026-09-17T10:01:33.569303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081410
observed 2f6759d55ed558ffc3dd679264c78f38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.551929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081410/manifest.json
observed 4f49f20e4ca5645dcda1d36abc441c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.533032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081410/publication.md
observed e387dca9e5b0da0ce94fa57390fab43e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.510979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081410/publication.txt
observed 2be4959566eb3b37c2a2881ddad9639e...
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.