OpenTechnical

OT-2026-000052035

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000052035) never changes.

Identity and time

Publication numberOT-2026-000052035 · never reused
Internal UUID01a0ae83-e78e-7c07-9aac-677e611ad282 · 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-2026-000052035
StatusPUBLIC

Content hashes

Canonical text29f0360ff85c3c38ab7246c9fda94910b61e21d019b8dae809539ef2b916e852
Markdown7ddeef6dfc7741e58d054600fb040713f67bca1c7d5624e4b536b7da6ebf0275
PDF
Publication pageef21bbecc9600f36ff9d498a19933661d59e6bf448ac1cfbb0013a87dc65e9c2
Manifest62294d2c9e65ac48f6cf11203219e545d3777ed1038ae0da79fa51869bfb03bf

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
SignatureeSdVKI1XU+0TrRfwILY7JROCb8CSwRFnyfdKotBW39K97ER2fbUpWPuzIeb8saqZZHlzVkRdDUNqgfFRz9GhDw==
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

2026-09-17T10:57:33.013826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052035
observed ef21bbecc9600f36ff9d498a19933661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:32.996757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052035/manifest.json
observed 62294d2c9e65ac48f6cf11203219e545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:32.980155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052035/publication.md
observed 7ddeef6dfc7741e58d054600fb040713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:32.962693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052035/publication.txt
observed 29f0360ff85c3c38ab7246c9fda94910...
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.