OpenTechnical

OT-2026-000087770

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three 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-2026-000087770) never changes.

Identity and time

Publication numberOT-2026-000087770 · never reused
Internal UUID01a0ae9b-1aa4-708f-9b2d-c5f6198b5f81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087770
StatusPUBLIC

Content hashes

Canonical textadd6e0c3672f2375f3b24467e33d9cef5ce0fc7a5d94f881b78ad30621b9fc7c
Markdownd8fd7825b1f755516c3609ec7500b23cc2cf17c38bc680e75a9f319f8c22cd2f
PDF
Publication pageb5dea8ddbed1331cb87042968d587650f59638ce897e9b24aaf3741f6ba292c7
Manifestc69f2787411900afda829894c981a5a832bd81282d98727cabe112d4b21f9f8a

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
SignatureWeUnHsH+G9IEpd2AglZHGAMmYrQVHrNg9sVFrFh+FWq3rRVxDDEcwrGvUALb5xTRyAjpT0eJlQ4fGgR4xqCkCQ==
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

2026-09-17T09:48:58.358623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087770
observed b5dea8ddbed1331cb87042968d587650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.341270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087770/manifest.json
observed c69f2787411900afda829894c981a5a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.324780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087770/publication.md
observed d8fd7825b1f755516c3609ec7500b23c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.308025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087770/publication.txt
observed add6e0c3672f2375f3b24467e33d9cef...
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.