OpenTechnical

OT-2026-000041514

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000041514) never changes.

Identity and time

Publication numberOT-2026-000041514 · never reused
Internal UUID01a0ae79-e89f-7482-8ecf-5142664557c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041514
StatusPUBLIC

Content hashes

Canonical text1dd44ea1dbe0cc5d7e76e42b2401f8cd69fba4c8664454f99c036620e0d99a2d
Markdown48efac4852dde3cdb4e329321a8b547571988ca85f5619c3d5d4b1bd765d8fcc
PDF
Publication page03f9f9def41b157c7b4ee63e06c92db7f768d421fc0c585f54bf10520d692542
Manifest34099376bfd1a16bc2f4b8a24781399b2cf6878183c74aab16fd7341c23774d7

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
SignatureFIDFIGxRmoZfW6gECisQ/GrsEAKI26UYKBZqxnq6WjCscVe2mpQzFphqGrrZhInVMtqD/NUwMSAHfwaaaejbCw==
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

2026-09-17T11:16:16.969216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041514
observed 03f9f9def41b157c7b4ee63e06c92db7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:16.950314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041514/manifest.json
observed 34099376bfd1a16bc2f4b8a24781399b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:16.932971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041514/publication.md
observed 48efac4852dde3cdb4e329321a8b5475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:16.914197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041514/publication.txt
observed 1dd44ea1dbe0cc5d7e76e42b2401f8cd...
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.