Pith Number

pith:W2Y36NRZ

pith:2012:W2Y36NRZNIB2QZ5IDYHWKRZ2DW

not attested not anchored not stored refs pending

Unification of the state with the dynamical law

Lee Smolin

arxiv:1201.2632 v1 · 2012-01-12 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W2Y36NRZNIB2QZ5IDYHWKRZ2DW}

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	2026-05-18T04:04:43.974647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6b1bf36396a03a867a81e0f65473a1d8527aa0b030a990c7754d823e02a4398

Aliases

arxiv: 1201.2632 · arxiv_version: 1201.2632v1 · doi: 10.48550/arxiv.1201.2632 · pith_short_12: W2Y36NRZNIB2 · pith_short_16: W2Y36NRZNIB2QZ5I · pith_short_8: W2Y36NRZ

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/W2Y36NRZNIB2QZ5IDYHWKRZ2DW \
  | 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: b6b1bf36396a03a867a81e0f65473a1d8527aa0b030a990c7754d823e02a4398

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a95f5d31e8b5de415a7b055feb46f1bf88d4c7e04e81a080d44dc38e81699530",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-01-12T17:58:16Z",
    "title_canon_sha256": "7d9bd5045be19d7525c6ee7421b7d1e5a7080b4cbb248500f2a6fb7e7a90cf8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2632",
    "kind": "arxiv",
    "version": 1
  }
}