Pith Number

pith:2Z4BTZGH

pith:2010:2Z4BTZGHUQBDQHD5AGDSMSCLKK

not attested not anchored not stored refs pending

From Encounters to Plausible Mobility

Ellen Zegura, John Whitbeck, Marcelo Dias de Amorim, Mostafa Ammar, Vania Conan

arxiv:1006.5398 v3 · 2010-06-28 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2Z4BTZGHUQBDQHD5AGDSMSCLKK}

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	2026-05-18T04:34:45.954664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d67819e4c7a402381c7d018726484b5290033b4ca88e8e7aaa94250a75796f8c

Aliases

arxiv: 1006.5398 · arxiv_version: 1006.5398v3 · doi: 10.48550/arxiv.1006.5398 · pith_short_12: 2Z4BTZGHUQBD · pith_short_16: 2Z4BTZGHUQBDQHD5 · pith_short_8: 2Z4BTZGH

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/2Z4BTZGHUQBDQHD5AGDSMSCLKK \
  | 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: d67819e4c7a402381c7d018726484b5290033b4ca88e8e7aaa94250a75796f8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd99c68d13b7abe1a49495fe97666fd9742b5084cc5ad32577140d28690d25f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2010-06-28T16:32:21Z",
    "title_canon_sha256": "31802e82b787b729d005ed59d647cc9bba1a9340b33b1465b49e484ea4425392"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.5398",
    "kind": "arxiv",
    "version": 3
  }
}