OpenTechnical

OT-2026-000029152

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000029152) never changes.

Identity and time

Publication numberOT-2026-000029152 · never reused
Internal UUID01a0ae73-2aa0-705d-87dd-da4c529a092e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029152
StatusPUBLIC

Content hashes

Canonical text48a5c8486eb6a68140d680555fbea49905d59a59a21d22849625ac95238d86c5
Markdown639e690f7ab0805bd250edbb2f69b952e1be8f2db14c19d905c4462c213dfa41
PDF
Publication page2ee6daebd6c9402781ec265e1ca83ec1b3768d82e79302fdf9fc62c98a43e233
Manifest787f387a036ee7fefcb7b06466d7ed9dc23a6e744fcd5959a10a67692eb87b77

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
SignaturenFfbL+mZYrL1gwiQ3nRpV5fXnzok5iIpnU3YMYqy2XeDGFsoNztVlweJb4BYXzljH+VfZA7LulDQkUp/vHLUDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:39:38.582569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029152
observed 2ee6daebd6c9402781ec265e1ca83ec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.565462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029152/manifest.json
observed 787f387a036ee7fefcb7b06466d7ed9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.548038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029152/publication.md
observed 639e690f7ab0805bd250edbb2f69b952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.526801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029152/publication.txt
observed 48a5c8486eb6a68140d680555fbea499...
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.