Pith Number

pith:76CYLQJ4

pith:2012:76CYLQJ4V5J622UT7J2AXVGHOW

not attested not anchored not stored refs pending

Evidence For A Mild Steepening And Bottom-Heavy IMF In Massive Galaxies From Sodium And Titanium-Oxide Indicators

C. Spiniello, L. V. E. Koopmans, S. C. Trager, Y. Chen

arxiv:1204.3823 v2 · 2012-04-17 · 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{76CYLQJ4V5J622UT7J2AXVGHOW}

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	2026-05-18T01:57:51.484626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff8585c13caf53ed6a93fa740bd4c77595a6b18b75ad32468bb89d342d286f17

Aliases

arxiv: 1204.3823 · arxiv_version: 1204.3823v2 · doi: 10.48550/arxiv.1204.3823 · pith_short_12: 76CYLQJ4V5J6 · pith_short_16: 76CYLQJ4V5J622UT · pith_short_8: 76CYLQJ4

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/76CYLQJ4V5J622UT7J2AXVGHOW \
  | 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: ff8585c13caf53ed6a93fa740bd4c77595a6b18b75ad32468bb89d342d286f17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6a929498f4ad1c02b63e993a7e733e1fb6897025e26e9ecf56d9d30d9aba86a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-17T16:08:53Z",
    "title_canon_sha256": "c0172d486c7f29fd86268154100d74d2856e89dbd28f0dcfb026de7c1fd39cf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3823",
    "kind": "arxiv",
    "version": 2
  }
}