OpenTechnical

OT-2026-000041861

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, sustained blow-off after set-down, on a tool changer

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-2026-000041861) never changes.

Identity and time

Publication numberOT-2026-000041861 · never reused
Internal UUID01a0ae79-e8a5-72b6-8880-2875fdcb2ab2 · 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-2026-000041861
StatusPUBLIC

Content hashes

Canonical text044caece784a209c0a44ccb9cb1abb0913ad096245eb84495ba8d2368b2ef93a
Markdownc38bbaf6789468b62db1f5b7d83bffe9c4b1d7ae6641c665dd4bb0918b7d6dc4
PDF
Publication pagef4a71ec6ae5f9aeaeb3ca8252b153517597cbaf1ebd076d8314012848c96ceec
Manifest85126d533a783848ce1f6e101041fb8f00232417ee578a8c17b3af3c801a9ea6

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
Signature25nB5SNQSWUhh7SAIhkosigFs8p2cbCbr9PL1wwz/LHZzzP4ofIBll0fplzSZFqMz7dAZdoayW11+aNhS0S4Ag==
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

2026-09-17T11:16:43.955851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041861
observed f4a71ec6ae5f9aeaeb3ca8252b153517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.938740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041861/manifest.json
observed 85126d533a783848ce1f6e101041fb8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.913737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041861/publication.md
observed c38bbaf6789468b62db1f5b7d83bffe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.889494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041861/publication.txt
observed 044caece784a209c0a44ccb9cb1abb09...
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.