OpenTechnical

OT-2026-000027085

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, 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-2026-000027085) never changes.

Identity and time

Publication numberOT-2026-000027085 · never reused
Internal UUID01a0ae72-3453-7aa5-813c-ae051093f79d · 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-2026-000027085
StatusPUBLIC

Content hashes

Canonical textce14edf2bb1d53213a46808ce47e4d84f432ae66cbe7db65f2e13634de0535da
Markdownba2459f050b2e0078b7054f9258f20ed7013b50f166885eec35d2ce7082ab6ed
PDF
Publication page45ec3386807a34827e3ae7e055a049187df8d599f1b973222bdd967aefe76daf
Manifeste6fbadb8202cbc34a7e6a7345af750ae0ec1e5aa633dc188e57766de5903c129

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
SignaturernQCDTPLEndWtTWkrl5xDEYKp/W4Wa3kQsWOLBZY3/kc1eT1DSL3b6FaZK25a8lyf5IwRFQUPe4bRMrDxHG6Cg==
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

2026-09-17T11:43:51.033878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027085
observed 45ec3386807a34827e3ae7e055a04918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:51.014288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027085/manifest.json
observed e6fbadb8202cbc34a7e6a7345af750ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.996388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027085/publication.md
observed ba2459f050b2e0078b7054f9258f20ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.979856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027085/publication.txt
observed ce14edf2bb1d53213a46808ce47e4d84...
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.