Pith Number

pith:NWVW2CB3

pith:2004:NWVW2CB3P23HOGYK4T2CUWF6VH

not attested not anchored not stored refs pending

M Theory Model of a Big Crunch/Big Bang Transition

Malcolm Perry, Neil Turok, Paul J. Steinhardt

arxiv:hep-th/0408083 v1 · 2004-08-10 · hep-th · astro-ph · gr-qc

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T02:35:39.625749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dab6d083b7eb6771b0ae4f42a58bea9e6b304a7b75c4acf3f66aea668648fa0

Aliases

arxiv: hep-th/0408083 · arxiv_version: hep-th/0408083v1 · doi: 10.48550/arxiv.hep-th/0408083

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/NWVW2CB3P23HOGYK4T2CUWF6VH \
  | 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: 6dab6d083b7eb6771b0ae4f42a58bea9e6b304a7b75c4acf3f66aea668648fa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf47af0e51f11e0bd9fc426bf8fb11686cabe2d3c661355a115e1ab6814504a1",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-08-10T20:51:21Z",
    "title_canon_sha256": "4c76e2a2c180f793efb5b27b660020cd80b3ce51c3d6cad1c936c5693eeb472f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0408083",
    "kind": "arxiv",
    "version": 1
  }
}