Pith Number

pith:7L4OGAH2

pith:2013:7L4OGAH2VHK4EAB32RXR4PQ6SL

not attested not anchored not stored refs pending

Estimation of an Origin/Destination matrix: Application to a ferry transport data

Adrien Ickowicz, Ross Sparks

arxiv:1305.7010 v1 · 2013-05-30 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7L4OGAH2VHK4EAB32RXR4PQ6SL}

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	2026-05-18T03:22:16.632833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faf8e300faa9d5c2003bd46f1e3e1e92ea8e129d240c41e1b4bc85675305eaf6

Aliases

arxiv: 1305.7010 · arxiv_version: 1305.7010v1 · doi: 10.48550/arxiv.1305.7010 · pith_short_12: 7L4OGAH2VHK4 · pith_short_16: 7L4OGAH2VHK4EAB3 · pith_short_8: 7L4OGAH2

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/7L4OGAH2VHK4EAB32RXR4PQ6SL \
  | 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: faf8e300faa9d5c2003bd46f1e3e1e92ea8e129d240c41e1b4bc85675305eaf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4efe4676eb252be1ed40789104a0aa452373d40f2e26c10334f3e38a131f5f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2013-05-30T06:27:19Z",
    "title_canon_sha256": "90b98551b17b9f030bb9e11f20112df900d761405e2291071a8edc79242ebfb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.7010",
    "kind": "arxiv",
    "version": 1
  }
}