OpenTechnical

OT-2026-000051959

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000051959) never changes.

Identity and time

Publication numberOT-2026-000051959 · never reused
Internal UUID01a0ae83-e78d-7044-83e0-f88859cc30bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051959
StatusPUBLIC

Content hashes

Canonical textde14907f553c744efdf04466bf96b1d278bb43072fcaf0dbfa3500f9fc9372ca
Markdown343b4c691e15142c58eabb1e964fafaaa6d027be25d064b87b0aec330f107673
PDF
Publication pagede5c2cab064e759f04886866b3edd5fc1e776812e213b3938c3293880884b74f
Manifeste4209d1d9705ccb222e27716d2ee10e47f0240b906c86058d99f6938422f5ba6

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
SignatureaHvW6Y4P266fCVGFMEH7rGLpBue3W9AbzzHVgx1amNt6v9w8ane1a8tcb3W/NeLPDTDYz3DtDxspGYEiWWqWDw==
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

2026-09-17T10:57:27.252545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051959
observed de5c2cab064e759f04886866b3edd5fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:27.235521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051959/manifest.json
observed e4209d1d9705ccb222e27716d2ee10e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:27.217646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051959/publication.md
observed 343b4c691e15142c58eabb1e964fafaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:27.198315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051959/publication.txt
observed de14907f553c744efdf04466bf96b1d2...
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.