Pith Number

pith:K2V5Q7DW

pith:2013:K2V5Q7DWKLCDXVOBUC3BKZCHCO

not attested not anchored not stored refs pending

Opinion Particles: Classical Physics and Opinion Dynamics

Andr\'e C. R. Martins

arxiv:1307.3304 v1 · 2013-07-12 · physics.gen-ph · 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{K2V5Q7DWKLCDXVOBUC3BKZCHCO}

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	2026-05-18T03:18:39.529795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56abd87c7652c43bd5c1a0b615644713ba36fd84ef81056eb2ed4533b98ff682

Aliases

arxiv: 1307.3304 · arxiv_version: 1307.3304v1 · doi: 10.48550/arxiv.1307.3304 · pith_short_12: K2V5Q7DWKLCD · pith_short_16: K2V5Q7DWKLCDXVOB · pith_short_8: K2V5Q7DW

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/K2V5Q7DWKLCDXVOBUC3BKZCHCO \
  | 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: 56abd87c7652c43bd5c1a0b615644713ba36fd84ef81056eb2ed4533b98ff682

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3ca0f65f2f599d0e4c92ac5037dd18993b8c83d6588f921d57ba91c6a29c84b",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2013-07-12T02:38:24Z",
    "title_canon_sha256": "f9bc951f3c95b0623a573ca09564145155d4cf748386c2fe18a0a9870252cc45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3304",
    "kind": "arxiv",
    "version": 1
  }
}