OpenTechnical

OT-2026-000076545

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000076545) never changes.

Identity and time

Publication numberOT-2026-000076545 · never reused
Internal UUID01a0ae94-b06d-7eb8-8b0e-9303d30897fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076545
StatusPUBLIC

Content hashes

Canonical text531fdbb92310af7331401920e0c6dc8c5c780a5c6ff117973ddfe7374469254c
Markdown599b6d31739d8aefc4195899ab9e6d8df894a5dcb684c295f93b3884e8332e8b
PDF
Publication pagee5413c5f0d4b2622eb5c51a20b07fb88a4ed7153fa4f488ef2e412b6e665be93
Manifested1e6fa576857f6e17668193ead6717141ccd139f817ee22df9cfe5d20081ce3

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
SignatureFw2UivKRTxmqYAFCoIqVVHQDkqvCUyJuz+fLsf0IbrB76gpHhP2521UXKRCX2RgjdQf70LLjJV0XkBjVPLRXDg==
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

2026-09-17T10:09:15.566829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076545
observed e5413c5f0d4b2622eb5c51a20b07fb88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:15.548242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076545/manifest.json
observed ed1e6fa576857f6e17668193ead67171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:15.529635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076545/publication.md
observed 599b6d31739d8aefc4195899ab9e6d8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:15.508026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076545/publication.txt
observed 531fdbb92310af7331401920e0c6dc8c...
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.