Pith Number

pith:QXXIOB4R

pith:2011:QXXIOB4RHHC2TSYIBWBIM3NVPL

not attested not anchored not stored refs pending

The Many Worlds of Hugh Everett III

Adrian Kent (Centre for Quantum Information, DAMTP, Foundations, Perimeter Institute for Theoretical Physics), University of Cambridge

arxiv:1103.4163 v2 · 2011-03-21 · physics.hist-ph · gr-qc · hep-th · 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{QXXIOB4RHHC2TSYIBWBIM3NVPL}

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	2026-05-18T02:02:48.471838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85ee87079139c5a9cb080d82866db57ac055e23bd791feec2cdc754b1cbfc892

Aliases

arxiv: 1103.4163 · arxiv_version: 1103.4163v2 · doi: 10.48550/arxiv.1103.4163 · pith_short_12: QXXIOB4RHHC2 · pith_short_16: QXXIOB4RHHC2TSYI · pith_short_8: QXXIOB4R

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/QXXIOB4RHHC2TSYIBWBIM3NVPL \
  | 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: 85ee87079139c5a9cb080d82866db57ac055e23bd791feec2cdc754b1cbfc892

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f69eeeaf05f8fd1d4a8ea573077d353bb9093d12236704861d041e86f14cae7",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2011-03-21T21:49:51Z",
    "title_canon_sha256": "14b32fc962f35bc3580e1ed0cfbb37d9074110590a74635b9136e4644bb80229"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4163",
    "kind": "arxiv",
    "version": 2
  }
}