Pith Number

pith:U7J75BEW

pith:2018:U7J75BEWKEVSQCYC4IV2MAVDAE

not attested not anchored not stored refs pending

The Dawes Review 8: Measuring the Stellar Initial Mass Function

A. M. Hopkins

arxiv:1807.09949 v1 · 2018-07-26 · 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{U7J75BEWKEVSQCYC4IV2MAVDAE}

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	2026-05-17T23:53:12.447210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7d3fe8496512b280b02e22ba602a3011aab4b0b15ee39b221e41218815f754c

Aliases

arxiv: 1807.09949 · arxiv_version: 1807.09949v1 · doi: 10.48550/arxiv.1807.09949 · pith_short_12: U7J75BEWKEVS · pith_short_16: U7J75BEWKEVSQCYC · pith_short_8: U7J75BEW

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/U7J75BEWKEVSQCYC4IV2MAVDAE \
  | 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: a7d3fe8496512b280b02e22ba602a3011aab4b0b15ee39b221e41218815f754c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d21e5605446a1ea61e36df8df1e95407526b7c38a4fdba28cb2d7820cb7b4a48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-26T04:26:24Z",
    "title_canon_sha256": "ceb1f1bc5791075faed99d2d09c7976e8f3bfb802c209c1a364adb2a9a321136"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09949",
    "kind": "arxiv",
    "version": 1
  }
}