Pith Number

pith:63MLASPQ

pith:2006:63MLASPQYSDR4NGWVLZ2QJ3GX7

not attested not anchored not stored refs pending

Expectation-driven interaction: a model based on Luhmann's contingency approach

B. Cessac, E. Buchinger, L. Streit, M. J. Barber, Ph. Blanchard

arxiv:physics/0612180 v1 · 2006-12-19 · physics.soc-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	2026-05-18T04:08:52.579459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6d8b049f0c4871e34d6aaf3a82766bfd0c7bd9a143d11b00fe55de75fc91240

Aliases

arxiv: physics/0612180 · arxiv_version: physics/0612180v1 · doi: 10.48550/arxiv.physics/0612180 · pith_short_12: 63MLASPQYSDR · pith_short_16: 63MLASPQYSDR4NGW · pith_short_8: 63MLASPQ

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/63MLASPQYSDR4NGWVLZ2QJ3GX7 \
  | 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: f6d8b049f0c4871e34d6aaf3a82766bfd0c7bd9a143d11b00fe55de75fc91240

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2909d3d6a3601b2b47bd86cb3fdd1e2ca9abeae56e583648a48b885d70dd769b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2006-12-19T08:16:26Z",
    "title_canon_sha256": "8d1ad2e3c10287e93218b0279ac7f4aeaf1739cdc041b0058468997d9690aee4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0612180",
    "kind": "arxiv",
    "version": 1
  }
}