OpenTechnical

OT-2026-000007537

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000007537) never changes.

Identity and time

Publication numberOT-2026-000007537 · never reused
Internal UUID01a0ae62-4df6-7558-96ea-28ef0a6824c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007537
StatusPUBLIC

Content hashes

Canonical textfbde84c43e1ec9820fdbdd9a7f8aee04a85e6172819da195e19e7ef3279f1c8d
Markdown431ad1a11f7239ff4889203592d1fd127a8846916406505dd5bf0793b3f8ca60
PDF
Publication page0cfe60f479180a05c6e50101da5bf2350e4e49168dd68151b4988855f0956840
Manifest508824163c857ee2ea565d0cd282e819f6931e671ccb88fc6ba776d389a6d85f

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
SignaturevUwnj9hBWuPLeUrBFNPftjiyLyoD8puqn3Hh4DGAWxMJhEAP8/IomgZOZse8OPfH3DXQfWOyz5D45IDtUSqzDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:22.793853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007537
observed 0cfe60f479180a05c6e50101da5bf235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:22.776248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007537/manifest.json
observed 508824163c857ee2ea565d0cd282e819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:22.759052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007537/publication.md
observed 431ad1a11f7239ff4889203592d1fd12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:22.734704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007537/publication.txt
observed fbde84c43e1ec9820fdbdd9a7f8aee04...
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.