OpenTechnical

OT-2026-000062057

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000062057) never changes.

Identity and time

Publication numberOT-2026-000062057 · never reused
Internal UUID01a0ae8b-b8b0-72d2-aecc-fe3e3b1264b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062057
StatusPUBLIC

Content hashes

Canonical text6827f2f8c5f69157571fc8a5b18e242b8800955366b666cb68b0df475da9a828
Markdownc6c1501b75b1996c05f40e7086d68d09daf7b96c36a05539564e051d1c7b785b
PDF
Publication page878143cdbd7672b9903848fc82063ee05b6b9b5289e109b9e8000d67b67d4693
Manifest3c6c0024c5d8eb01b80a53ee86033830edb5be65442b323185293a7768a15049

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
Signature0edLy9Oq1AHgoz4ihKRK/wuNwrC0bQCtGWmkSLrE4mUliSdz3FdJAO5K/6fL148jLxpjobVCQgyUGjM3FbxGBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:06.081634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062057
observed 878143cdbd7672b9903848fc82063ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:06.062304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062057/manifest.json
observed 3c6c0024c5d8eb01b80a53ee86033830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:06.042060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062057/publication.md
observed c6c1501b75b1996c05f40e7086d68d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:06.023317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062057/publication.txt
observed 6827f2f8c5f69157571fc8a5b18e242b...
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.