Pith Number

pith:PAIEX3OO

pith:2011:PAIEX3OOQHA7FZVHMJ2H6NE55L

not attested not anchored not stored refs pending

Harmonium as a laboratory for mathematical chemistry

Jose M. Gracia-Bondia, Kurusch Ebrahimi-Fard

arxiv:1103.2023 v2 · 2011-03-10 · physics.chem-ph

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

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	2026-05-18T03:54:37.763278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78104bedce81c1f2e6a762747f349dead12fa1269a7464eb49ea146e19c58d92

Aliases

arxiv: 1103.2023 · arxiv_version: 1103.2023v2 · doi: 10.48550/arxiv.1103.2023 · pith_short_12: PAIEX3OOQHA7 · pith_short_16: PAIEX3OOQHA7FZVH · pith_short_8: PAIEX3OO

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/PAIEX3OOQHA7FZVHMJ2H6NE55L \
  | 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: 78104bedce81c1f2e6a762747f349dead12fa1269a7464eb49ea146e19c58d92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdf183bce9e0ed540ff73e7b97a3eba3d0ab0514d5ae50311fae741636d7b87f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2011-03-10T13:06:08Z",
    "title_canon_sha256": "98203c42ecde08329863a8ec79d4d8b8ba3ee0dc095cffbaac1fc4f4618097fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2023",
    "kind": "arxiv",
    "version": 2
  }
}