Pith Number

pith:6YEH6HNJ

pith:2013:6YEH6HNJUHYSPZNMCWFR2B2T4B

not attested not anchored not stored refs pending

The Dark Side of the Universe after Planck

Cheng cheng, Qing-Guo Huang

arxiv:1306.4091 v3 · 2013-06-18 · astro-ph.CO · gr-qc · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6YEH6HNJUHYSPZNMCWFR2B2T4B}

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	2026-05-18T01:49:15.795984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6087f1da9a1f127e5ac158b1d0753e07d20a07ce180ecc8a02afc9b847ca2c8

Aliases

arxiv: 1306.4091 · arxiv_version: 1306.4091v3 · doi: 10.48550/arxiv.1306.4091 · pith_short_12: 6YEH6HNJUHYS · pith_short_16: 6YEH6HNJUHYSPZNM · pith_short_8: 6YEH6HNJ

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/6YEH6HNJUHYSPZNMCWFR2B2T4B \
  | 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: f6087f1da9a1f127e5ac158b1d0753e07d20a07ce180ecc8a02afc9b847ca2c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97915ff495a637173aaeaaceaf624efeccc72bad2e535816a4d1bdbebf4d9595",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-18T07:38:05Z",
    "title_canon_sha256": "dca1f14a5616a466f130adb544e71457d5d04c35d9838e657e58606ee18e487a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4091",
    "kind": "arxiv",
    "version": 3
  }
}