OpenTechnical

OT-2026-000026935

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, 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-2026-000026935) never changes.

Identity and time

Publication numberOT-2026-000026935 · never reused
Internal UUID01a0ae72-3452-7c74-a172-b93fd87ec128 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026935
StatusPUBLIC

Content hashes

Canonical textd794a1ecdbdff2421c84d3747dede894642430cc4790dac34acf9cf1dbaf549a
Markdowncad44e7e5ece07eb1c4efd46c1e27073f12e4829477c1974b0c7f89d97c34050
PDF
Publication page0fdc5bc087e518aea02f09c823b53f5634887df21ca5fa8c0d87a563f6a41578
Manifest0dc6874913507928c6466e151a21f8d25f7968a0746423065916c5ee7c22b046

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
Signaturel8CuG4bVEmHPhQVoYf6LsJSCg4cqpVMFQQUrvGLOB3gF7Xrd0VC4K2cxHngIsiF4JP699abRxqlmMo47k3dWDA==
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

2026-09-17T11:43:33.160895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026935
observed 0fdc5bc087e518aea02f09c823b53f56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:33.141638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026935/manifest.json
observed 0dc6874913507928c6466e151a21f8d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:33.125038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026935/publication.md
observed cad44e7e5ece07eb1c4efd46c1e27073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:33.108714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026935/publication.txt
observed d794a1ecdbdff2421c84d3747dede894...
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.