Pith Number

pith:Y42U3F4I

pith:2019:Y42U3F4IV366BLDZDK7DYFRIPD

not attested not anchored not stored refs pending

Navigation Agents for the Visually Impaired: A Sidewalk Simulator and Experiments

Chris Pal, Derek Nowrouzezahrai, Doina Precup, Florian Golemo, Joseph P. Cohen, Margaux Luck, Martin Weiss, Roger Girgis, Samira E. Kahou, Simon Chamorro

arxiv:1910.13249 v1 · 2019-10-29 · cs.CV · cs.HC · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y42U3F4IV366BLDZDK7DYFRIPD}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T00:15:42.879050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7354d9788aefde0ac791abe3c162878ee391b92520ed6fb8e7dd32bcd66e3a7

Aliases

arxiv: 1910.13249 · arxiv_version: 1910.13249v1 · doi: 10.48550/arxiv.1910.13249 · pith_short_12: Y42U3F4IV366 · pith_short_16: Y42U3F4IV366BLDZ · pith_short_8: Y42U3F4I

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/Y42U3F4IV366BLDZDK7DYFRIPD \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c7354d9788aefde0ac791abe3c162878ee391b92520ed6fb8e7dd32bcd66e3a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a28a85195fe6905aecc314ce2da55dd44ba9cd646fccb6b6d77f2c4f1004e264",
    "cross_cats_sorted": [
      "cs.HC",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-10-29T13:23:02Z",
    "title_canon_sha256": "86710f421f68a2a4b97b3877025b3b0cbf4dc1c469f2a391ef512c8a4fec5adc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13249",
    "kind": "arxiv",
    "version": 1
  }
}