OpenTechnical

OT-2026-000089706

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000089706) never changes.

Identity and time

Publication numberOT-2026-000089706 · never reused
Internal UUID01a0ae9c-1a22-7295-b1a0-41f26bc14ef2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089706
StatusPUBLIC

Content hashes

Canonical textcb1f3c629d92ca014a68376709e38957d9861bc406cc8d714672d5cd78e81729
Markdown5435186c61353421c78c56f5c4a73d36e31e9c453936132dc842deeb2c99ea4b
PDF
Publication paged91f8d309fa5dee58b829e81bb89a0ee99f1b356101662d895f4dfa22041a3b2
Manifest110c47b203411a85b110cc3a25ad98911b1bbb1003ec64d2a01bc958235376af

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
SignatureumO/oc1E3GeFXYz22yKNdJnB5K0+3qM0iJeunPLfB0+MyekqVfhYwI3y/ncq0Ur4t56U2S8ShGZhiJSrB+6ZDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:42.460470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089706
observed d91f8d309fa5dee58b829e81bb89a0ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.442915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089706/manifest.json
observed 110c47b203411a85b110cc3a25ad9891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.425803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089706/publication.md
observed 5435186c61353421c78c56f5c4a73d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.407731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089706/publication.txt
observed cb1f3c629d92ca014a68376709e38957...
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.