Pith Number

pith:SFXWLKNC

pith:2015:SFXWLKNCFOB2RVEJPXQNP4CKBC

not attested not anchored not stored refs pending

Highway traffic state estimation using speed measurements: case studies on NGSIM data and highway A20 in the Netherlands

Claudio Roncoli, Markos Papageorgiou, Nikolaos Bekiaris-Liberis

arxiv:1509.06146 v1 · 2015-09-21 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFXWLKNCFOB2RVEJPXQNP4CKBC}

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	2026-05-18T01:32:35.699125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

916f65a9a22b83a8d4897de0d7f04a088200dae7c0737498c7f6962f23e87d6b

Aliases

arxiv: 1509.06146 · arxiv_version: 1509.06146v1 · doi: 10.48550/arxiv.1509.06146 · pith_short_12: SFXWLKNCFOB2 · pith_short_16: SFXWLKNCFOB2RVEJ · pith_short_8: SFXWLKNC

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/SFXWLKNCFOB2RVEJPXQNP4CKBC \
  | 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: 916f65a9a22b83a8d4897de0d7f04a088200dae7c0737498c7f6962f23e87d6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71cb932289829c3dc124a83142362571a8d3f7340ef8b17f2a8affb93a8a690a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2015-09-21T08:45:03Z",
    "title_canon_sha256": "57e9d1362a4329f325cc320b078bec10ddbbbe60e4c554d94454c78464eab23e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06146",
    "kind": "arxiv",
    "version": 1
  }
}