Pith Number

pith:7CH2ZSQN

pith:2010:7CH2ZSQNK5XI3G634BPIMI6ESQ

not attested not anchored not stored refs pending

Consistent Histories in Quantum Cosmology

David A. Craig, Parampreet Singh

arxiv:1001.4311 v1 · 2010-01-25 · 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{7CH2ZSQNK5XI3G634BPIMI6ESQ}

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	2026-05-18T04:21:20.712695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f88facca0d576e8d9bdbe05e8623c494192d97e9cf5f7c5a61f7fd90cf39a2f0

Aliases

arxiv: 1001.4311 · arxiv_version: 1001.4311v1 · doi: 10.48550/arxiv.1001.4311 · pith_short_12: 7CH2ZSQNK5XI · pith_short_16: 7CH2ZSQNK5XI3G63 · pith_short_8: 7CH2ZSQN

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/7CH2ZSQNK5XI3G634BPIMI6ESQ \
  | 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: f88facca0d576e8d9bdbe05e8623c494192d97e9cf5f7c5a61f7fd90cf39a2f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43a6c4e99f56a422f91fce0dc308ae9c0f247428feb4b13f0ae32e95ec316dd7",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-01-25T20:51:17Z",
    "title_canon_sha256": "c4dfa06454c47ad1221121a0649a3b80b3798fece78382c65eadf5e30a857fb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4311",
    "kind": "arxiv",
    "version": 1
  }
}