pith. sign in
Pith Number

pith:M3JOS2MV

pith:2014:M3JOS2MVBNPZWOSQSYYREXZCEF
not attested not anchored not stored refs pending

Scaling: Lost in the smog

Marc Barthelemy, R\'emi Louf

arxiv:1410.4964 v1 · 2014-10-18 · physics.soc-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{M3JOS2MVBNPZWOSQSYYREXZCEF}

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 2026-05-18T02:39:47.345930Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

66d2e969950b5f9b3a509631125f2221542b517117fd876ee6ffce703595eca3

Aliases

arxiv: 1410.4964 · arxiv_version: 1410.4964v1 · doi: 10.48550/arxiv.1410.4964 · pith_short_12: M3JOS2MVBNPZ · pith_short_16: M3JOS2MVBNPZWOSQ · pith_short_8: M3JOS2MV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/M3JOS2MVBNPZWOSQSYYREXZCEF \
  | 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: 66d2e969950b5f9b3a509631125f2221542b517117fd876ee6ffce703595eca3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f5808aec480826d8f2ffb776b5ac03cbce873a7a6d94ef62478bc07b51aafcf7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2014-10-18T14:45:19Z",
    "title_canon_sha256": "43cc8784fa4877b961383b7464294129c67da102c298ba4f2853fe2da165a35f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.4964",
    "kind": "arxiv",
    "version": 1
  }
}