Pith Number

pith:E5GDY3TI

pith:2012:E5GDY3TIUYASLYJVDLZENZL2ML

not attested not anchored not stored refs pending

The SWELLS survey - V. A Salpeter stellar initial mass function in the bulges of massive spiral galaxies

A. A. Dutton (MPIA), A. S. Bolton (Utah), B. J. Brewer (UCSB), D. C. Koo (UCSC), L. V. E. Koopmans (Kapteyn), M. Barnabe (Stanford), M. W. Auger (Cambridge), P. J. Marshall (Oxford), T. Treu (UCSB)

arxiv:1206.4310 v2 · 2012-06-19 · astro-ph.CO · astro-ph.GA · 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{E5GDY3TIUYASLYJVDLZENZL2ML}

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	2026-05-18T01:56:50.679859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

274c3c6e68a60125e1351af246e57a62c69ea66a911dfb1a9dd8c13e8ec6d9de

Aliases

arxiv: 1206.4310 · arxiv_version: 1206.4310v2 · doi: 10.48550/arxiv.1206.4310 · pith_short_12: E5GDY3TIUYAS · pith_short_16: E5GDY3TIUYASLYJV · pith_short_8: E5GDY3TI

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/E5GDY3TIUYASLYJVDLZENZL2ML \
  | 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: 274c3c6e68a60125e1351af246e57a62c69ea66a911dfb1a9dd8c13e8ec6d9de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f589343ca88608c7e453c4585f26d9d8fb19d6433dbb25b62d444d4d24ea2eb4",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-19T20:00:01Z",
    "title_canon_sha256": "04c9aaa1dcbe6fcb15e19b3c3de052f30bfd447df16b21ce612d4b4e9b31cc08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4310",
    "kind": "arxiv",
    "version": 2
  }
}