OpenTechnical

OT-2026-000069009

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000069009) never changes.

Identity and time

Publication numberOT-2026-000069009 · never reused
Internal UUID01a0ae90-6dcd-7f5a-b163-03bfbd3beb70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069009
StatusPUBLIC

Content hashes

Canonical text992afdf05487444d189fb91e38d655eeb3a798cf9c46a0d96162e275a300645d
Markdownfbd91e2d0239922b4752ac12a5ed53db581f260891b0f6eefdcea8d6a302ab5b
PDF
Publication page86c0dc889d78de034d71e0283a0c6e97764ab43c3f563d0a424784a59a3a0e62
Manifest72c84d1052d0bc9b791ecd57a892a46263cd105c7455e5d935c09357bb1dcbe9

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
Signature6MjJROvierRBTYEA0ywHuWxNXsZ4Aq/J4he/ZeCSen7EsqBGD20zKCpNHR5/MfuJUdPyEmtWleof9Z1k88RNCw==
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

2026-09-17T10:28:51.469257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069009
observed 86c0dc889d78de034d71e0283a0c6e97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:51.452932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069009/manifest.json
observed 72c84d1052d0bc9b791ecd57a892a462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:51.435800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069009/publication.md
observed fbd91e2d0239922b4752ac12a5ed53db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:51.419699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069009/publication.txt
observed 992afdf05487444d189fb91e38d655ee...
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.