OpenTechnical

OT-2026-000069997

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000069997) never changes.

Identity and time

Publication numberOT-2026-000069997 · never reused
Internal UUID01a0ae91-1861-710d-9ecc-af22cbfcf5e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069997
StatusPUBLIC

Content hashes

Canonical text71ca69de86ca12ee254acdfbd6a136b945a6deab5e61ce2c9e80f395269e3efc
Markdownb58d228d231b25fd0dcc81dcfffdeddd31de644bb74fc5d2e1698b9e474d0232
PDF
Publication page96ab99c10ebdf33ebaac6480c657ac53732898321e7d6794dc86df6ae66adcad
Manifest4ca3c0c8882a6a07e15e89c4914f7115167abb3d51f0d3922fefebcad9146203

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
Signaturef5chv1OLDkBaFhU0jqEEmi+nCJKZBhXk2tvXBooNLt+87++PTBsyoJPXIv10wNvfKv8vJdy0LZsscip92zqCAw==
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

2026-09-17T10:26:56.714595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069997
observed 96ab99c10ebdf33ebaac6480c657ac53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:56.698205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069997/manifest.json
observed 4ca3c0c8882a6a07e15e89c4914f7115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:56.680944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069997/publication.md
observed b58d228d231b25fd0dcc81dcfffdeddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:56.663610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069997/publication.txt
observed 71ca69de86ca12ee254acdfbd6a136b9...
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.