OpenTechnical

OT-2026-000051223

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000051223) never changes.

Identity and time

Publication numberOT-2026-000051223 · never reused
Internal UUID01a0ae83-273f-7718-ba9b-48e5d85b3adc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051223
StatusPUBLIC

Content hashes

Canonical text92ae47296859653edbb3687c8f46c819ed41863738c99e4abc967542d5ceb8dd
Markdown21f8f1325df5428c8ff12febeb29654c3b5e2ae0301b142361c8dff11faeaf78
PDF
Publication pagedb6b5c8033f3170a9d8c050213c6471b930a37d4355da3d4a257f9e7f5ce898a
Manifest092a86c561bbb45c5415813d1f7bab42a2a79d372e4dec592d6c45cecabe8384

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
Signature9EojQmRDsXYQ8nYGqbaVPH/V3RZ7I/DRytBEx44MhdMEPTX6ZiuIEdmbuqRb6alZkYyE4mCMevU8r8gk2DAoCg==
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

2026-09-17T10:59:00.719236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051223
observed db6b5c8033f3170a9d8c050213c6471b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:00.701641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051223/manifest.json
observed 092a86c561bbb45c5415813d1f7bab42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:00.683368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051223/publication.md
observed 21f8f1325df5428c8ff12febeb29654c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:00.666512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051223/publication.txt
observed 92ae47296859653edbb3687c8f46c819...
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.