Pith Number

pith:IBCZAQK4

pith:2010:IBCZAQK44YTMZ2RSZHMBCYYXZA

not attested not anchored not stored refs pending

Looking for Systematic Variations in the Stellar Initial Mass Function

Kevin R. Covey (Cornell), Michael R. Meyer (ETH Zurich), Nate Bastian (Exeter)

arxiv:1011.6512 v1 · 2010-11-30 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IBCZAQK44YTMZ2RSZHMBCYYXZA}

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	2026-05-18T04:34:26.750986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

404590415ce626ccea32c9d8116317c8162d1bcc185898a03aafa942c887ba19

Aliases

arxiv: 1011.6512 · arxiv_version: 1011.6512v1 · doi: 10.48550/arxiv.1011.6512 · pith_short_12: IBCZAQK44YTM · pith_short_16: IBCZAQK44YTMZ2RS · pith_short_8: IBCZAQK4

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/IBCZAQK44YTMZ2RSZHMBCYYXZA \
  | 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: 404590415ce626ccea32c9d8116317c8162d1bcc185898a03aafa942c887ba19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfa61d07f134b4df9903b041a442fcbdf4d59a0c501cd8600fa5b6f624fe70d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-11-30T10:27:09Z",
    "title_canon_sha256": "3612ddada24c9c24b60d089f1d3e4c5f1935f72517b6faf35932fb143876b73f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.6512",
    "kind": "arxiv",
    "version": 1
  }
}