Pith Number

pith:APTW4ZBA

pith:2010:APTW4ZBAL5H57BCQ5GLSMKDANJ

not attested not anchored not stored refs pending

Evidence for IMF Variations from the Integrated Light of SDSS Galaxies

Erik A. Hoversten, Karl Glazebrook

arxiv:1011.3818 v1 · 2010-11-16 · 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{APTW4ZBAL5H57BCQ5GLSMKDANJ}

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	2026-05-18T04:24:43.649206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03e76e64205f4fdf8450e9972628606a7ac75a26770371ecc45b1173352b0f7a

Aliases

arxiv: 1011.3818 · arxiv_version: 1011.3818v1 · doi: 10.48550/arxiv.1011.3818 · pith_short_12: APTW4ZBAL5H5 · pith_short_16: APTW4ZBAL5H57BCQ · pith_short_8: APTW4ZBA

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/APTW4ZBAL5H57BCQ5GLSMKDANJ \
  | 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: 03e76e64205f4fdf8450e9972628606a7ac75a26770371ecc45b1173352b0f7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ced83618a676589d42d30e1420ff66c5aa0e4f125862fd7baa756882b76b524",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-16T21:00:15Z",
    "title_canon_sha256": "ec3693a9b093902425c99399578810e3f2917b781eced1bdb7bd70b03b3a95ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.3818",
    "kind": "arxiv",
    "version": 1
  }
}