OpenTechnical

OT-2026-000020967

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000020967) never changes.

Identity and time

Publication numberOT-2026-000020967 · never reused
Internal UUID01a0ae6f-65e4-7a2b-9070-bafbff2a03e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020967
StatusPUBLIC

Content hashes

Canonical text63f9468b0cb88e5aa987e0b2f78e2352cb1d317b8a937418b85cf9a2dc34d8a8
Markdown02cd86bdd6cfa2088f34b2086a9a122c059393cfb9892a91c0a33e8f18651c2e
PDF
Publication page29de21fd9fad17836ba9855cc8059d7180174886e74b92db392e8f60cfa9b81c
Manifestada5cca455fa4b225fe10b6a6a1ffa57df1f2939dc15817e5977511eec1c4bf4

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
Signature0c4sG1ZD8pEHg8PAPBiZdRXmBBsDAGopy22rcDxmqtgnq+e1b2nWEM4b2LsaHDd7atZOeaNyjgmqwKtTK6JVBg==
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

2026-09-17T11:56:06.639636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020967
observed 29de21fd9fad17836ba9855cc8059d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:06.622186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020967/manifest.json
observed ada5cca455fa4b225fe10b6a6a1ffa57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:06.603391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020967/publication.md
observed 02cd86bdd6cfa2088f34b2086a9a122c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:06.585307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020967/publication.txt
observed 63f9468b0cb88e5aa987e0b2f78e2352...
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.