OpenTechnical

OT-2026-000008559

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000008559) never changes.

Identity and time

Publication numberOT-2026-000008559 · never reused
Internal UUID01a0ae6a-e46b-77da-a9cf-5549821ce119 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008559
StatusPUBLIC

Content hashes

Canonical text8e8b6de188c8e35a9b0e3bfd3e10b94197ff113b7757bc6fb9986c999f75f22c
Markdown6dcba29b81334137830587aea1c0185d42ac58fc54ab26aa562d52df08602db6
PDF
Publication pagef0d29444e35b256625fcd7ac662a97a203feb0401e7b9077fdef03f73309ad88
Manifest8716038b93217a5742f42a58d05b8c89121463f859010880cf1998b43d0f78ea

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
SignatureGdfPBWn0y+wAXpVQo5z5n1boAHl7sGDPXVICDwfDDcxIvkmqX1IL+2trdnv/I1TDdfsJ/bS+TYPeiFzmuribDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:29.706745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008559
observed f0d29444e35b256625fcd7ac662a97a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:29.684118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008559/manifest.json
observed 8716038b93217a5742f42a58d05b8c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:29.660178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008559/publication.md
observed 6dcba29b81334137830587aea1c0185d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:29.638585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008559/publication.txt
observed 8e8b6de188c8e35a9b0e3bfd3e10b941...
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.