OpenTechnical

OT-2026-000027697

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000027697) never changes.

Identity and time

Publication numberOT-2026-000027697 · never reused
Internal UUID01a0ae72-699a-7444-a9a7-836a613d86f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027697
StatusPUBLIC

Content hashes

Canonical textdfc5e118d9640aa79c538ad9e6031913c63d4e6fabb6a3210662939a98d7e9b6
Markdown788fb5adcb0747b4ddf408f32f004427d9527df1c9618b035d120be470597f5e
PDF
Publication page3a51455be84ccd482781e5e178cdcaac3109379a8101c2ba75e4525dc9d9627f
Manifestec36f2906b117c3117453141c08d9169d8ac7b091434bdb6de351f097172dc6c

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
SignaturetITF3s0AKq7qIRA95qy14ZTpSDSHOyE1s7g1eQmT16BuQqsE87rXFviapT6lpsZ+2s6C2LCKn8Jh+OErUkDfDQ==
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

2026-09-17T11:43:14.692785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027697
observed 3a51455be84ccd482781e5e178cdcaac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.675917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027697/manifest.json
observed ec36f2906b117c3117453141c08d9169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.658400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027697/publication.md
observed 788fb5adcb0747b4ddf408f32f004427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.640983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027697/publication.txt
observed dfc5e118d9640aa79c538ad9e6031913...
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.