OpenTechnical

OT-2026-000054671

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000054671) never changes.

Identity and time

Publication numberOT-2026-000054671 · never reused
Internal UUID01a0ae86-1284-7633-a334-98a64927b795 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054671
StatusPUBLIC

Content hashes

Canonical text81c16677820ecf98019f388b08b55280e174d1a878b1666f94ccdb3488cd0e9a
Markdowndbda944021aeadddeb2693acc31fe8f520d8ae2729ea267ddb9dc3787a23971b
PDF
Publication page247a160a9f3d9cdab2b6e2e6cf7bdea4239117287c5b8232905e8dab50838082
Manifest946a0987f0377fe230c760a95966160ad20ccb64433543889ecdb92f2bb40c25

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
SignaturepMH5mYaWzqhHcuYFuJxw6FHS81ZcfchXTD3ajfzjnqTeEBlFhMcNwiiOc96OFOkz+QLyCtwjdUAR0Y62E4m+DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:44.786368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054671
observed 247a160a9f3d9cdab2b6e2e6cf7bdea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:44.767841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054671/manifest.json
observed 946a0987f0377fe230c760a95966160a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:44.749950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054671/publication.md
observed dbda944021aeadddeb2693acc31fe8f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:44.730085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054671/publication.txt
observed 81c16677820ecf98019f388b08b55280...
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.