OpenTechnical

OT-2026-000043147

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000043147) never changes.

Identity and time

Publication numberOT-2026-000043147 · never reused
Internal UUID01a0ae7b-327a-7481-a52f-206473c53666 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043147
StatusPUBLIC

Content hashes

Canonical text0b03bf1c2381ffa6c1c8ba90bacc8e44d25b857c7ac9a668e1597f14472b063d
Markdownc6c6f4cfb992a732c3d10f167975b8a6f7c47456cfec230e78d3d7633522832b
PDF
Publication pagea3590057c88f72bd1d84e74806389c88088e556c0c4f9490a33b966d5785e90a
Manifest7ec9d896a20ed906e6a77d58816f6574f86932b135c49e932174bae5162c666b

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
SignatureQW1UybAKgiCjO29WY+2YQIt7EZZnyjQitLoQ7kdsGF91qdXKnVctiOY0mJ/SbjBuMiQCovY47OBeL6SuDh4+BA==
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

2026-09-17T11:13:35.233225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043147
observed a3590057c88f72bd1d84e74806389c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:35.214800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043147/manifest.json
observed 7ec9d896a20ed906e6a77d58816f6574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:35.196080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043147/publication.md
observed c6c6f4cfb992a732c3d10f167975b8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:35.178019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043147/publication.txt
observed 0b03bf1c2381ffa6c1c8ba90bacc8e44...
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.