Pith Number

pith:ZHTJ4X3W

pith:2007:ZHTJ4X3W23IRJQ4IGBK2NWE43L

not attested not anchored not stored refs pending

Dark matter's X-files

Alexander Kusenko

arxiv:0711.2823 v2 · 2007-11-19 · astro-ph · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZHTJ4X3W23IRJQ4IGBK2NWE43L}

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	2026-05-18T00:37:38.985698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9e69e5f76d6d114c3883055a6d89cdac9d5ee0e51345cd96735d3c7a985bd4e

Aliases

arxiv: 0711.2823 · arxiv_version: 0711.2823v2 · doi: 10.48550/arxiv.0711.2823 · pith_short_12: ZHTJ4X3W23IR · pith_short_16: ZHTJ4X3W23IRJQ4I · pith_short_8: ZHTJ4X3W

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/ZHTJ4X3W23IRJQ4IGBK2NWE43L \
  | 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: c9e69e5f76d6d114c3883055a6d89cdac9d5ee0e51345cd96735d3c7a985bd4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5308b914f29ef56d61f78f7cc165543f515b47779d1bed1d9785a92d8caf33d8",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-11-19T03:53:07Z",
    "title_canon_sha256": "35c328f3b8fa948182c9cf59e2aa0c5c7fcc294a503f10b155d9dcf1351086b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.2823",
    "kind": "arxiv",
    "version": 2
  }
}