Pith Number

pith:MDBKQCQW

pith:2013:MDBKQCQWNAZ4WGE3GKPAUONFNL

not attested not anchored not stored refs pending

Estimating the uncorrelated dark energy evolution in the Planck era

F. Y. Wang, Z. G. Dai (NJU)

arxiv:1312.4613 v1 · 2013-12-17 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MDBKQCQWNAZ4WGE3GKPAUONFNL}

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	2026-05-18T01:45:49.952873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60c2a80a166833cb189b329e0a39a56af5d00dc5d28e34e1b017e2667e9020d7

Aliases

arxiv: 1312.4613 · arxiv_version: 1312.4613v1 · doi: 10.48550/arxiv.1312.4613 · pith_short_12: MDBKQCQWNAZ4 · pith_short_16: MDBKQCQWNAZ4WGE3 · pith_short_8: MDBKQCQW

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/MDBKQCQWNAZ4WGE3GKPAUONFNL \
  | 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: 60c2a80a166833cb189b329e0a39a56af5d00dc5d28e34e1b017e2667e9020d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "146a802d85ef7a346471b1b49c0c182e8beac8e20d00a4965bf56db2c77205cc",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-12-17T02:23:09Z",
    "title_canon_sha256": "c1b80e6b5ccce2250fb8793c6b55c00f002ceffc8d7aa355507b893100542fa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4613",
    "kind": "arxiv",
    "version": 1
  }
}