OpenTechnical

OT-2026-000019587

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two 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-2026-000019587) never changes.

Identity and time

Publication numberOT-2026-000019587 · never reused
Internal UUID01a0ae6e-f394-7665-8fa1-3399a20c25ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019587
StatusPUBLIC

Content hashes

Canonical textffe340e3743234d96c418cc0b31c88607d5b222e9ad976c082db895cb075f33b
Markdown991fdd73096e819a4edf6cf5f5b887739d28f96eccb02d6e395d2a9fb46b8c88
PDF
Publication page63e6967ad3a0cbf1adeed4f5a3aa20bfb9a30875a391524c3be3f99809ac5b57
Manifest3f1e4db057a528372dc62ad728fcfa4983d09a51e259cf5e057fcb9be96f58f5

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
Signaturev/Zv8YXUoiqviXozo+ITBWCq1QI+QyP3nsGSBCrJwdEzMkAB4MYYZcV3XzjfTAkim49YwiKuwe62+pLQpfc5AQ==
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

2026-09-17T11:59:02.242280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019587
observed 63e6967ad3a0cbf1adeed4f5a3aa20bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.224410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019587/manifest.json
observed 3f1e4db057a528372dc62ad728fcfa49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.207353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019587/publication.md
observed 991fdd73096e819a4edf6cf5f5b88773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.189620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019587/publication.txt
observed ffe340e3743234d96c418cc0b31c8860...
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.