Pith Number

pith:FYZAIFDY

pith:2015:FYZAIFDYUVMWKGUXXV2PIBC37L

not attested not anchored not stored refs pending

Physical Proximity and Spreading in Dynamic Social Networks

Alex Sandy Pentland, Arkadiusz Stopczynski, Sune Lehmann

arxiv:1509.06530 v1 · 2015-09-22 · 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{FYZAIFDYUVMWKGUXXV2PIBC37L}

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	2026-05-18T01:32:20.024070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e32041478a559651a97bd74f4045bfac4bb7ab92985e4915d2565df54e43893

Aliases

arxiv: 1509.06530 · arxiv_version: 1509.06530v1 · doi: 10.48550/arxiv.1509.06530 · pith_short_12: FYZAIFDYUVMW · pith_short_16: FYZAIFDYUVMWKGUX · pith_short_8: FYZAIFDY

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/FYZAIFDYUVMWKGUXXV2PIBC37L \
  | 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: 2e32041478a559651a97bd74f4045bfac4bb7ab92985e4915d2565df54e43893

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da6f055d4548f11cb507df607e1aae4d1ca7a7503efe11822d9004aa8e77981c",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-09-22T09:49:09Z",
    "title_canon_sha256": "e9777482035d7ec1f33e7ab5470d22ea80a64b55b13368b68a4e2cb63fd6a43c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06530",
    "kind": "arxiv",
    "version": 1
  }
}