OpenTechnical

OT-2026-000022845

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000022845) never changes.

Identity and time

Publication numberOT-2026-000022845 · never reused
Internal UUID01a0ae70-46ea-75ea-9132-24cac63d834f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022845
StatusPUBLIC

Content hashes

Canonical text5697eb5c572a91dc0d3d90104a6fdb367be4497dad23acb99eb3268741f41702
Markdownfb9d0720cdf80d59e02a4e5970a6bd48497b65823348ab9e54dd4b34190e0999
PDF
Publication paged1c40b90099327ca965ade252cdbed40336dce568f525089ec461a0de4fddadc
Manifest60364eb021c18d9bbdf90a90225708ec918266d43eda16f299c2c39ddf0f2d3d

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
SignatureiFFlRaxpGnFdKWdnE2XnC7g6mSExlnBlcbQUUdwmDacATd9uuViKXpBned4NqdHRk8DHrhlirhqmVOaN14tUAw==
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

2026-09-17T11:52:22.916594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022845
observed d1c40b90099327ca965ade252cdbed40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.898064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022845/manifest.json
observed 60364eb021c18d9bbdf90a90225708ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.881256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022845/publication.md
observed fb9d0720cdf80d59e02a4e5970a6bd48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.865171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022845/publication.txt
observed 5697eb5c572a91dc0d3d90104a6fdb36...
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.