Pith Number

pith:CZWBKZIV

pith:2013:CZWBKZIVZWLTCF64EJQZSFW6P5

not attested not anchored not stored refs pending

Sailing through the big crunch-big bang transition

Itzhak Bars, Neil Turok, Paul Steinhardt

arxiv:1312.0739 v2 · 2013-12-03 · hep-th · astro-ph.CO · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CZWBKZIVZWLTCF64EJQZSFW6P5}

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	2026-05-18T02:56:43.694695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

166c156515cd973117dc22619916de7f78854c9caf6ac604a6c88985fbd8b83b

Aliases

arxiv: 1312.0739 · arxiv_version: 1312.0739v2 · doi: 10.48550/arxiv.1312.0739 · pith_short_12: CZWBKZIVZWLT · pith_short_16: CZWBKZIVZWLTCF64 · pith_short_8: CZWBKZIV

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/CZWBKZIVZWLTCF64EJQZSFW6P5 \
  | 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: 166c156515cd973117dc22619916de7f78854c9caf6ac604a6c88985fbd8b83b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad118630d530cfb1b508f66417f48776f2cb78ab089eddb1cd594a316d9fc58a",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-12-03T09:07:28Z",
    "title_canon_sha256": "1ab737c278f9439005b61655c9e01fee5d25549a884fc713ed1fb97a02baf64e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0739",
    "kind": "arxiv",
    "version": 2
  }
}