Pith Number

pith:LIQRQYHT

pith:2019:LIQRQYHTP6NZD5RDW53J6NNXKX

not attested not anchored not stored refs pending

Eye Contact Between Pedestrians and Drivers

Bruce Mehler, Bryan Reimer, Dina AlAdawy, Henri Schmidt, Jack Terwilliger, Josh Domeyer, Lex Fridman, Michael Glazer

arxiv:1904.04188 v1 · 2019-04-08 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LIQRQYHTP6NZD5RDW53J6NNXKX}

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	2026-05-17T23:49:06.784720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a211860f37f9b91f623b7769f35b755db23067e2803e042057d71db19efd7e4

Aliases

arxiv: 1904.04188 · arxiv_version: 1904.04188v1 · doi: 10.48550/arxiv.1904.04188 · pith_short_12: LIQRQYHTP6NZ · pith_short_16: LIQRQYHTP6NZD5RD · pith_short_8: LIQRQYHT

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/LIQRQYHTP6NZD5RDW53J6NNXKX \
  | 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: 5a211860f37f9b91f623b7769f35b755db23067e2803e042057d71db19efd7e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b1adcb1fc755068cfc29c69e440d809a71e9941f969878ba97efc3a969887d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2019-04-08T17:03:30Z",
    "title_canon_sha256": "daeccbaa8da7293b8883f5295b78c0e13f1c60fb3da34f9636b9ae91d90dae30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04188",
    "kind": "arxiv",
    "version": 1
  }
}