Pith Number

pith:7RFBBAJQ

pith:2012:7RFBBAJQ3SONDJZOGJ4476RS5Q

not attested not anchored not stored refs pending

Dark Energy and Cosmology

Mark Trodden

arxiv:1212.6399 v1 · 2012-12-27 · 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{7RFBBAJQ3SONDJZOGJ4476RS5Q}

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	2026-05-18T03:37:39.835418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc4a108130dc9cd1a72e3279cffa32ec3d57244cc49dcf094180a89f044bcc13

Aliases

arxiv: 1212.6399 · arxiv_version: 1212.6399v1 · doi: 10.48550/arxiv.1212.6399 · pith_short_12: 7RFBBAJQ3SON · pith_short_16: 7RFBBAJQ3SONDJZO · pith_short_8: 7RFBBAJQ

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/7RFBBAJQ3SONDJZOGJ4476RS5Q \
  | 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: fc4a108130dc9cd1a72e3279cffa32ec3d57244cc49dcf094180a89f044bcc13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b767a100b70e4123217cae0721f35b8af3f7797e3cbdc9b276b8f2180995a7a2",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-27T17:28:37Z",
    "title_canon_sha256": "7d40c324aa078b0a9cda3566da35532fe23f00b516d1c804b0c86245227a0335"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6399",
    "kind": "arxiv",
    "version": 1
  }
}