OpenTechnical

OT-2026-000067671

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000067671) never changes.

Identity and time

Publication numberOT-2026-000067671 · never reused
Internal UUID01a0ae8f-6bdb-7800-99cb-39a1a9a7f925 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067671
StatusPUBLIC

Content hashes

Canonical textbc4b39af72c109553d00fa5aa0fc3b2150f26a719331f20f0a3d6ee06ca5b561
Markdowned9c542fe280a7b1a9fd80b58fd72617e80931308579a06a829000d4980b7600
PDF
Publication pagec582ad30e252104cc65a8d85534175f617bbafb523e6eb900592e1b8a888fdf7
Manifestcfcfda87fee9a692a2713aa85c16b839d6e9d8cb0ecff993446010eb221fc677

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
SignaturegIkSkYpRMlvnFBvABZJmoaevzH0MTlhXrt7CXRQb5/Er8ZaNRjMn1Q7k/95gXcVQ+M9XkJIaLgE4ocs18prgBw==
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

2026-09-17T10:32:00.307464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067671
observed c582ad30e252104cc65a8d85534175f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:00.287844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067671/manifest.json
observed cfcfda87fee9a692a2713aa85c16b839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:00.269173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067671/publication.md
observed ed9c542fe280a7b1a9fd80b58fd72617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:00.252766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067671/publication.txt
observed bc4b39af72c109553d00fa5aa0fc3b21...
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.