Pith Number

pith:A4JZMMPI

pith:2009:A4JZMMPITFIFTRKHNV3KGMWFY6

not attested not anchored not stored refs pending

Constraining the initial mass function of stars in the Galactic Centre

Bonn), Holger Baumgardt, Pavel Kroupa (AIfA, Ulf Loeckmann

arxiv:0910.4960 v1 · 2009-10-26 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A4JZMMPITFIFTRKHNV3KGMWFY6}

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	2026-05-18T02:11:11.274884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07139631e8995059c5476d76a332c5c7b9ed416587ecbeed28da42fcae3dec0c

Aliases

arxiv: 0910.4960 · arxiv_version: 0910.4960v1 · doi: 10.48550/arxiv.0910.4960 · pith_short_12: A4JZMMPITFIF · pith_short_16: A4JZMMPITFIFTRKH · pith_short_8: A4JZMMPI

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/A4JZMMPITFIFTRKHNV3KGMWFY6 \
  | 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: 07139631e8995059c5476d76a332c5c7b9ed416587ecbeed28da42fcae3dec0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a4a22b39d66177856c36b01b4505ea3244bcbe6bd30172070612f0eab5ee42d",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-10-26T20:39:24Z",
    "title_canon_sha256": "aa3682e2665b2f6fbcb95bae381141198a1f4aca55d13f6dbd316034a98f940c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4960",
    "kind": "arxiv",
    "version": 1
  }
}