Pith Number

pith:FJGES7LZ

pith:2015:FJGES7LZR32EW7LSGPYGGD3I3Y

not attested not anchored not stored refs pending

Great cities look small

Aaron Sim, Mauricio Barahona, Michael P H Stumpf, Sophia N Yaliraki

arxiv:1507.05458 v1 · 2015-07-20 · physics.soc-ph · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FJGES7LZR32EW7LSGPYGGD3I3Y}

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	2026-05-18T01:36:36.758795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a4c497d798ef44b7d7233f0630f68de09028da411809081fbbe60b4b9a6a60e

Aliases

arxiv: 1507.05458 · arxiv_version: 1507.05458v1 · doi: 10.48550/arxiv.1507.05458 · pith_short_12: FJGES7LZR32E · pith_short_16: FJGES7LZR32EW7LS · pith_short_8: FJGES7LZ

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/FJGES7LZR32EW7LSGPYGGD3I3Y \
  | 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: 2a4c497d798ef44b7d7233f0630f68de09028da411809081fbbe60b4b9a6a60e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d19466a201bbfc020cf4cf99af604e5feff2b063e855a9c36110c105aab14b4",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-07-20T11:56:57Z",
    "title_canon_sha256": "f017c763d4279fb630a87c23f524d3fddfa884855984975cb587312bbaf23bd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05458",
    "kind": "arxiv",
    "version": 1
  }
}