OpenTechnical

OT-2026-000012470

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000012470) never changes.

Identity and time

Publication numberOT-2026-000012470 · never reused
Internal UUID01a0ae6d-39f7-7d2a-815b-7ad67604ec72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012470
StatusPUBLIC

Content hashes

Canonical text86e347d7466014e7551904f02743878904e38b791bb9d803260bb83ebcd68e47
Markdown18ed6ab6a4c26790a8974db4fe8790db05eee9a9a98d458d0819637ef704aa1f
PDF
Publication pagefd707294a9a8d3d343198f0d677815efc46481acc1e1e13c9d33f4da87e2fc7b
Manifestaa0113667fb90e4404f9075253327664ec5883451f062853f5907f7ce1671756

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
SignatureeWkMuUhuJw21YqPEddi339HiWsjhh0H0YRVaK9BSxsE/xJOSe5rNMBS8P0Atq5xLclIrwmtap6gNjk5Bk0QkBg==
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

2026-09-17T12:11:58.843458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012470
observed fd707294a9a8d3d343198f0d677815ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.825195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012470/manifest.json
observed aa0113667fb90e4404f9075253327664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.806588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012470/publication.md
observed 18ed6ab6a4c26790a8974db4fe8790db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.788402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012470/publication.txt
observed 86e347d7466014e7551904f027438789...
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.