OpenTechnical

OT-2026-000045284

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, pulsed 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-2026-000045284) never changes.

Identity and time

Publication numberOT-2026-000045284 · never reused
Internal UUID01a0ae7c-f76a-753d-9372-c69dbf1fc19a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045284
StatusPUBLIC

Content hashes

Canonical text2a0eea89263397c0954101e9c7433d96079ff79e6364f2ec5f4450da974663f0
Markdown5f7e2ed07ec89f6542f0ff4e1c5a1efb8acd01867521ffb5bbb5a33a313d58fa
PDF
Publication page029f9510caceb7021c9295752f1db9d6a62dd663531a154be8a6e6c6ab582147
Manifest84118e3de8490f4b9c48f61b8bc02efb710cb65b1ab358f4986e87e2690a5971

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
SignatureKFWprffhJA4lRi9UzTzSxWN8/o+yy/79dijV4xYHQgmFh6fN40JlywLiDOMjqYWeiLkYDSqY+wvBeZLVnYRWBA==
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

2026-09-17T11:10:29.991473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045284
observed 029f9510caceb7021c9295752f1db9d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.968673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045284/manifest.json
observed 84118e3de8490f4b9c48f61b8bc02efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.948179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045284/publication.md
observed 5f7e2ed07ec89f6542f0ff4e1c5a1efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.930083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045284/publication.txt
observed 2a0eea89263397c0954101e9c7433d96...
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.