OpenTechnical

OT-2026-000079747

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, 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-2026-000079747) never changes.

Identity and time

Publication numberOT-2026-000079747 · never reused
Internal UUID01a0ae96-4375-78ce-ba2b-0430e2af68aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079747
StatusPUBLIC

Content hashes

Canonical textd4627f075acce4069430d13f9ecd7802b7ac758987d9592faaa3c55dac9e7669
Markdown02c69cd8f1be1b2bf9fc18d5502926b9a287f8bee15acb00d39f4d14a8439861
PDF
Publication pageae499675ca36f1f46a244abad9b915c35d702792d432bc4479b1c4a628f70813
Manifest94590928d033e7ec32feda886f0b0c407109f00129268ea297ff092be0a2ba98

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
Signature9J0L2B4EDSa1d+zx7KjI+sG2wIu9BSslNDBghCztO/pavH1DQTM71paIzgIS6NRqBxusSmkubapRWkE/V2IEDw==
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

2026-09-17T10:03:36.812026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079747
observed ae499675ca36f1f46a244abad9b915c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.795090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079747/manifest.json
observed 94590928d033e7ec32feda886f0b0c40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.777095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079747/publication.md
observed 02c69cd8f1be1b2bf9fc18d5502926b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.756374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079747/publication.txt
observed d4627f075acce4069430d13f9ecd7802...
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.