Pith Number

pith:HQJOFSBZ

pith:2012:HQJOFSBZCEU3HVL4623LZSDPRY

not attested not anchored not stored refs pending

Using Location-Based Social Networks to Validate Human Mobility and Relationships Models

Boleslaw K. Szymanski, Tommy Nguyen

arxiv:1208.3653 v2 · 2012-08-17 · cs.SI · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HQJOFSBZCEU3HVL4623LZSDPRY}

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	2026-05-18T03:16:17.264768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c12e2c8391129b3d57cf6b6bcc86f8e1f7b00b96b30e33774836ffca707bef3

Aliases

arxiv: 1208.3653 · arxiv_version: 1208.3653v2 · doi: 10.48550/arxiv.1208.3653 · pith_short_12: HQJOFSBZCEU3 · pith_short_16: HQJOFSBZCEU3HVL4 · pith_short_8: HQJOFSBZ

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/HQJOFSBZCEU3HVL4623LZSDPRY \
  | 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: 3c12e2c8391129b3d57cf6b6bcc86f8e1f7b00b96b30e33774836ffca707bef3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9845a056c651c9540927e130d9249e953834667f4394c5a60b9e1bcc1fc5fee",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-08-17T18:22:52Z",
    "title_canon_sha256": "ad826ac61af7c96caebce5586e1becc24eb63154f0d42e058bc475cd1766526b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3653",
    "kind": "arxiv",
    "version": 2
  }
}