OpenTechnical

OT-2026-000053579

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000053579) never changes.

Identity and time

Publication numberOT-2026-000053579 · never reused
Internal UUID01a0ae85-0a93-72da-b109-20dd88e29654 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053579
StatusPUBLIC

Content hashes

Canonical text601165e2dd6796338f18da08d6c222e3e767f17b56efddb58dc842237783bb31
Markdowndf311ca979076d5958389f3f2a96202fce711f121f0618875569764cde8dc6c8
PDF
Publication page1cc1d7dada44e6e6c22498bb46626bcaee3b76d166542cf82861b1aaef9601d5
Manifest06614d9e3fda9dcc3a18e628e1dfc5a3302c3b237f7da3c511951c1ae88d1087

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
SignaturemjtSJtwGT2BMBIrzz92HscZxSkJP2T/YgEftEJ/wS0BBQ8zHPP6zDRpGdn6BjhKsHTBfeh47cQ+I66I6QlxnDA==
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

2026-09-17T10:55:26.705843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053579
observed 1cc1d7dada44e6e6c22498bb46626bca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:26.686678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053579/manifest.json
observed 06614d9e3fda9dcc3a18e628e1dfc5a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:26.667330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053579/publication.md
observed df311ca979076d5958389f3f2a96202f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:26.650164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053579/publication.txt
observed 601165e2dd6796338f18da08d6c222e3...
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.