OpenTechnical

OT-2026-000027105

Publication integrity record

Single cup vacuum gripper, 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-2026-000027105) never changes.

Identity and time

Publication numberOT-2026-000027105 · never reused
Internal UUID01a0ae72-3454-74d0-8c54-8d99efc60760 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027105
StatusPUBLIC

Content hashes

Canonical text77fe7a8da37157f7694737a020db8a7f9cda0919ee9cad7b47053f4c159869ea
Markdownf74567eb4f2a7596279931d8a6eb7c49e6e7757fb5accd88e2df56b90d4825da
PDF
Publication page2071dd1dc28a441f033c8aa690555ce609e3562891b0214308b9dc57d8c4898f
Manifest69bf7b0bb4c1fe6d5292ef0ddd438a6d020ba56c7ac6c00e5e1bdc328fb2e794

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
SignaturedgiMzi4wcjRJAX/+FvG3YP3CIzdihpSJGSnZNJ9hU31WSlf9hLhlrN7GgGYJ5gr4sYLJ/Gc5SBGWM5A0PdIDAA==
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

2026-09-17T11:43:52.515801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027105
observed 2071dd1dc28a441f033c8aa690555ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.498480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027105/manifest.json
observed 69bf7b0bb4c1fe6d5292ef0ddd438a6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.481647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027105/publication.md
observed f74567eb4f2a7596279931d8a6eb7c49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.465645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027105/publication.txt
observed 77fe7a8da37157f7694737a020db8a7f...
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.