OpenTechnical

OT-2026-000038813

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000038813) never changes.

Identity and time

Publication numberOT-2026-000038813 · never reused
Internal UUID01a0ae78-769f-7b1a-9c74-89ecb103e553 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038813
StatusPUBLIC

Content hashes

Canonical text467dcb4947fbfa88a546f1d1d4a8a48f4f358ba0eb04f2e3b1ae3c960d522c49
Markdowncb9281520e93151e8630aa07d29562c6cd51b33eb6ea3d8d5e65270bafe1ed15
PDF
Publication page3377247ad0665598fe3aad61a7e02461f27a9e14f5c9b5686de9a532bdb05dbd
Manifest8b47997fb84787aa578e86b9ad77fc425a0ebdc3335c70d32ae19e4083ae4082

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
SignatureIkGgiaL+vQSBFomASe5saPGbNZBpsEkG8e4oydpdtByGEAqMvLvtRlT5r3ICqm3UNslwat7hupepaB1MS31SCg==
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

2026-09-17T11:21:22.240646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038813
observed 3377247ad0665598fe3aad61a7e02461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:22.219994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038813/manifest.json
observed 8b47997fb84787aa578e86b9ad77fc42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:22.201618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038813/publication.md
observed cb9281520e93151e8630aa07d29562c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:22.180993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038813/publication.txt
observed 467dcb4947fbfa88a546f1d1d4a8a48f...
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.