Pith Number

pith:D43DE2HW

pith:2011:D43DE2HWVBGVNQW3GMZEJSCNAZ

not attested not anchored not stored refs pending

Very Old Isolated Compact Objects as Dark Matter Probes

Jin Chang, Rui-zhi Yang, Yi-Zhong Fan

arxiv:1110.2819 v1 · 2011-10-13 · astro-ph.HE · astro-ph.GA · 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{D43DE2HWVBGVNQW3GMZEJSCNAZ}

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	2026-05-18T03:36:16.172752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f363268f6a84d56c2db333244c84d06461a8e7b4716978e095ac0e98f98551e

Aliases

arxiv: 1110.2819 · arxiv_version: 1110.2819v1 · doi: 10.48550/arxiv.1110.2819 · pith_short_12: D43DE2HWVBGV · pith_short_16: D43DE2HWVBGVNQW3 · pith_short_8: D43DE2HW

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/D43DE2HWVBGVNQW3GMZEJSCNAZ \
  | 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: 1f363268f6a84d56c2db333244c84d06461a8e7b4716978e095ac0e98f98551e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a6dfd721190ef9d190d2ee1fda37e71683c68da35e4476ef0c23ed5c9848701",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-10-13T00:36:03Z",
    "title_canon_sha256": "bc09dbc78f5886098d87e2c55aeb22f746e484217e76a832fb4b993ed6cb3370"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2819",
    "kind": "arxiv",
    "version": 1
  }
}