OpenTechnical

OT-2026-000082897

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000082897) never changes.

Identity and time

Publication numberOT-2026-000082897 · never reused
Internal UUID01a0ae97-8cca-7689-ae59-afed131c9060 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082897
StatusPUBLIC

Content hashes

Canonical text41f4dffb4d0eac4c121137e62fee1d1e68c5ed981fe48c6589d0720681edd121
Markdownc1c8f7187018c4dd2b053bc9e174f29b8789c06fd335d915f3b2801609c989e4
PDF
Publication page3c4bb0e25ea7181f6aa72e03d77c104b69a04ac6388ae051b7170709b618c0fb
Manifestf4cbe0998ba33a1310f90f5b4128a776561b5621f6d377dea71a24ae8c88dd47

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
SignaturePTMvaqepsC4OpjSBmiGDI8QAxZtClm/WjNC5ny6xzOIGcMYJiBf5+56Oqabx5ORq+doVybE7PyDbUPa0dkLsDQ==
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

2026-09-17T09:58:35.010602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082897
observed 3c4bb0e25ea7181f6aa72e03d77c104b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:34.992519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082897/manifest.json
observed f4cbe0998ba33a1310f90f5b4128a776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:34.975738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082897/publication.md
observed c1c8f7187018c4dd2b053bc9e174f29b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:34.958743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082897/publication.txt
observed 41f4dffb4d0eac4c121137e62fee1d1e...
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.