Pith Number

pith:J2HSQL4U

pith:2012:J2HSQL4UAPUWDQHBD4Y7HQW3HE

not attested not anchored not stored refs pending

The stellar IMF at very low metallicities

Gustavo Dopcke, Paul C. Clark, Ralf S. Klessen, Simon C. O. Glover

arxiv:1203.6842 v1 · 2012-03-30 · astro-ph.SR · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J2HSQL4UAPUWDQHBD4Y7HQW3HE}

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	2026-05-18T01:20:37.199307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e8f282f9403e961c0e11f31f3c2db392872fecad091f96602520f6185089756

Aliases

arxiv: 1203.6842 · arxiv_version: 1203.6842v1 · doi: 10.48550/arxiv.1203.6842 · pith_short_12: J2HSQL4UAPUW · pith_short_16: J2HSQL4UAPUWDQHB · pith_short_8: J2HSQL4U

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/J2HSQL4UAPUWDQHBD4Y7HQW3HE \
  | 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: 4e8f282f9403e961c0e11f31f3c2db392872fecad091f96602520f6185089756

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10002e6c102617633fab41676a459c969bcba54690e0fb3571d9dac8cd9d5db1",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-30T15:59:20Z",
    "title_canon_sha256": "ce22afc1fc4b223b0a3736e7142610256634c746821636c50aa11b3a32b44f50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6842",
    "kind": "arxiv",
    "version": 1
  }
}