OpenTechnical

OT-2026-000032012

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000032012) never changes.

Identity and time

Publication numberOT-2026-000032012 · never reused
Internal UUID01a0ae74-bad3-7915-a592-0199643c1718 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032012
StatusPUBLIC

Content hashes

Canonical textd683317f19934535fef4f81ea72664131c7f788517ae0efe8ab6ca2b87a57ad1
Markdown1d03e59b92c485b3ad364401765c2ccd856b4e53eabd58db4c68ddf7972f1343
PDF
Publication page9962da08a0c2d5739eb706519af49a601b2859b16b435ebc6d01c39ebdef14ad
Manifest15ed99f61197258004ea2a3e769b5f64ab6ad3a5f87ba7bb130a25446ef0131d

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
SignatureCm/UkSMshU1gbICu4mMR2KhNTIKXj9Nv3Kxbm3KlddvpbqhhdMHDefDzFCM25cyNDB5Wvk0mhVdxB3EijwrBDQ==
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

2026-09-17T11:35:24.986292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032012
observed 9962da08a0c2d5739eb706519af49a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:24.967734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032012/manifest.json
observed 15ed99f61197258004ea2a3e769b5f64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:24.948421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032012/publication.md
observed 1d03e59b92c485b3ad364401765c2ccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:24.931057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032012/publication.txt
observed d683317f19934535fef4f81ea7266413...
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.