Pith Number

pith:XD34SNWA

pith:2015:XD34SNWAHXBY2LL3W5ADH7E4YJ

not attested not anchored not stored refs pending

Entangled Histories

Frank Wilczek, Jordan Cotler

arxiv:1502.02480 v3 · 2015-02-09 · quant-ph · 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{XD34SNWAHXBY2LL3W5ADH7E4YJ}

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	2026-05-18T00:31:14.195062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8f7c936c03dc38d2d7bb74033fc9cc264f9e61bee1326e252109ffd54def4b1

Aliases

arxiv: 1502.02480 · arxiv_version: 1502.02480v3 · doi: 10.48550/arxiv.1502.02480 · pith_short_12: XD34SNWAHXBY · pith_short_16: XD34SNWAHXBY2LL3 · pith_short_8: XD34SNWA

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/XD34SNWAHXBY2LL3W5ADH7E4YJ \
  | 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: b8f7c936c03dc38d2d7bb74033fc9cc264f9e61bee1326e252109ffd54def4b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e535b74f5e538a17610621e5df4b11c1442f3c78b34f88ee909a4c811d738250",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-09T13:32:32Z",
    "title_canon_sha256": "19b9f1f9c589f59e1f896d3156af7f255f0fc467020dacf7aeb8517bb767da4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02480",
    "kind": "arxiv",
    "version": 3
  }
}