OpenTechnical

OT-2026-000042104

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000042104) never changes.

Identity and time

Publication numberOT-2026-000042104 · never reused
Internal UUID01a0ae7a-5d71-7abc-9266-eb740b115b36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042104
StatusPUBLIC

Content hashes

Canonical text4156fa8604039d0735a0fcf06e98b6111ba6bef865064c699715e3bfa287874f
Markdown1f998a4bee0b5965f9a9e6614e73677bd3e105a71f0b1fd70a4b3fc33ec53628
PDF
Publication page14584311948fcd7ebda82aa0dc45a9e233d626054d66d2ba12de50f0705c9242
Manifestb293cc8355a21d71f9e604eddc50d6006ef489f7095ea157f62b42f31438408b

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
SignatureddlUvwWBcpkQ9KKZ8+6G+VBq307IGxMog5uLv94upnjgI0DW0zkz/vIX1PZkzGos6hB9PGNWpNmdJWil5HYgAQ==
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

2026-09-17T11:15:38.334036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042104
observed 14584311948fcd7ebda82aa0dc45a9e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:38.316845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042104/manifest.json
observed b293cc8355a21d71f9e604eddc50d600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:38.296927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042104/publication.md
observed 1f998a4bee0b5965f9a9e6614e73677b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:38.278491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042104/publication.txt
observed 4156fa8604039d0735a0fcf06e98b611...
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.