Pith Number

pith:PJPI3XR2

pith:2014:PJPI3XR2RLSSLPGSZAS7BJPYXN

not attested not anchored not stored refs pending

Our Mathematical Universe?

Jeremy Butterfield

arxiv:1406.4348 v1 · 2014-06-17 · physics.hist-ph · gr-qc · quant-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{PJPI3XR2RLSSLPGSZAS7BJPYXN}

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	2026-05-18T02:49:37.750694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a5e8dde3a8ae525bcd2c825f0a5f8bb55d90299b401c59e460e155518a24d21

Aliases

arxiv: 1406.4348 · arxiv_version: 1406.4348v1 · doi: 10.48550/arxiv.1406.4348 · pith_short_12: PJPI3XR2RLSS · pith_short_16: PJPI3XR2RLSSLPGS · pith_short_8: PJPI3XR2

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/PJPI3XR2RLSSLPGSZAS7BJPYXN \
  | 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: 7a5e8dde3a8ae525bcd2c825f0a5f8bb55d90299b401c59e460e155518a24d21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70de01bc5dd1371fb1b4c41ecdff22e0970bf6b66a173387b6a2036191bbdee2",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2014-06-17T12:37:05Z",
    "title_canon_sha256": "0aee4135fa3c9b200eb0b8f936a5ba10454248829cd3696aeeb325678e278464"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4348",
    "kind": "arxiv",
    "version": 1
  }
}