OpenTechnical

OT-2026-000075681

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000075681) never changes.

Identity and time

Publication numberOT-2026-000075681 · never reused
Internal UUID01a0ae94-29fd-762a-b291-981ce0e2c461 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075681
StatusPUBLIC

Content hashes

Canonical text518c4801af6c8fa7c66efbc39ff5a07afcb2f7280334c29d8e5e815c93b0fc65
Markdown589fe33fd90e9480d1f947bbadb6a195b75835ef6db957d2bbf771f4e7aebdf5
PDF
Publication pagebc2dceb733d7bed8151d0eb30cbd94ceb5f29f069b93e2cdfeb999e81f815f68
Manifest71e35539bd705eb90f243e12edb8ca0aada629976768916cb645e80004e173b6

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
SignaturetDiOzulWMZhlWEEg1oW6jACoTHfEuOSZuK+F/yszU8SRHEp0TzDEAa23cIIB02RNNKhPPgMWWCqIbDFbMW0jBg==
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

2026-09-17T10:13:50.756846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075681
observed bc2dceb733d7bed8151d0eb30cbd94ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:50.738660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075681/manifest.json
observed 71e35539bd705eb90f243e12edb8ca0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:50.719871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075681/publication.md
observed 589fe33fd90e9480d1f947bbadb6a195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:50.700202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075681/publication.txt
observed 518c4801af6c8fa7c66efbc39ff5a07a...
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.