OpenTechnical

OT-2026-000024521

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000024521) never changes.

Identity and time

Publication numberOT-2026-000024521 · never reused
Internal UUID01a0ae70-e8cc-754a-80ac-8b622f260848 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024521
StatusPUBLIC

Content hashes

Canonical textc8a64113e46c4980eaa9d1dfc71e90e26b3acc6295a48e82680e63862e7f6a77
Markdown0b8bdc612cc0c4c319dcf2f54c3e091681e609c20580ede6e560718111b0f3e5
PDF
Publication pagef7be21586ca862c38a6103bfa6764500270170b226fe0ed44e032f70d5ebd51d
Manifest4d4793e3780d9597a3cfc241e810d7ea52f953062bfda6a08a277de2ad1de3ee

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
SignaturedQstU5mPuExDhjzUa7N6qUtQLIDnG5UKKvtpf5nTszkQpeGfWnd40m9uWGRrBQ/PtU2cx/p9DYSkYnKpu18wBw==
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

2026-09-17T11:50:32.554449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024521
observed f7be21586ca862c38a6103bfa6764500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.533147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024521/manifest.json
observed 4d4793e3780d9597a3cfc241e810d7ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.515056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024521/publication.md
observed 0b8bdc612cc0c4c319dcf2f54c3e0916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.497911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024521/publication.txt
observed c8a64113e46c4980eaa9d1dfc71e90e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:41.779081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024521
observed f7be21586ca862c38a6103bfa6764500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:41.763684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024521/manifest.json
observed 4d4793e3780d9597a3cfc241e810d7ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:41.747523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024521/publication.md
observed 0b8bdc612cc0c4c319dcf2f54c3e0916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:41.732418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024521/publication.txt
observed c8a64113e46c4980eaa9d1dfc71e90e2...
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.