OpenTechnical

OT-2026-000023515

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pulsed 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-2026-000023515) never changes.

Identity and time

Publication numberOT-2026-000023515 · never reused
Internal UUID01a0ae70-7269-739a-a950-133320febdde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023515
StatusPUBLIC

Content hashes

Canonical text7ca2beeea4fdd430a65243c2564e65501ab4d3e1f7f7f06b2c67ed728b8cd446
Markdown75c38a478e79c498418496d22c74a8cd1951603f04355e71285afed444c3ca7f
PDF
Publication page0930868e4ff149f8d14c49621dd16cffc36bc5a928f56720cc258ce4287a6d8a
Manifest09b2d1ddf6d399702f1b9894e2ab0fd1254f03d1af7d8baf38808242ecd3d14d

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
Signatureg4hPDTpWolfarZq3j72zXomsklVYSgSlh80mKSq88lLj6hyntZLB4urZWl/Ohh+nv1/TQOWoDLaala7OoJRMAA==
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

2026-09-17T11:51:45.254096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023515
observed 0930868e4ff149f8d14c49621dd16cff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.234425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023515/manifest.json
observed 09b2d1ddf6d399702f1b9894e2ab0fd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.217505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023515/publication.md
observed 75c38a478e79c498418496d22c74a8cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.200300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023515/publication.txt
observed 7ca2beeea4fdd430a65243c2564e6550...
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.