OpenTechnical

OT-2026-000043597

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000043597) never changes.

Identity and time

Publication numberOT-2026-000043597 · never reused
Internal UUID01a0ae7b-92cf-78a7-bcfe-efd7486db5ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043597
StatusPUBLIC

Content hashes

Canonical textcbfe4db73a6016a850e873c67f06ea99ecc9b9b9122cf3c07723ab77bdb27cc8
Markdown9f3601bee7995927de232335164becf846eadf21eaab4dde245b66a36bd5c0d7
PDF
Publication pagec2388ac8c8c48fcfbd6183a16ea4f95a4d431757d10b6394a308816ca089f514
Manifest63be86750f57258624711c631b9bd05a5f1bc8f26d280e0fc9560ada88643638

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
Signature9xfOKIALc2s6KiSzG4rshrDtZKzmJsEuNUr7rbs4Z+/c4SBwCwmq8DfJDaHRJsG+Y22hjjUPBcaGyr7NvoCVCw==
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

2026-09-17T11:13:00.126657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043597
observed c2388ac8c8c48fcfbd6183a16ea4f95a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.107611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043597/manifest.json
observed 63be86750f57258624711c631b9bd05a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.088715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043597/publication.md
observed 9f3601bee7995927de232335164becf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.069756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043597/publication.txt
observed cbfe4db73a6016a850e873c67f06ea99...
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.