Pith Number

pith:XCIHAGTR

pith:2013:XCIHAGTRJQPNJD77ESDA6ILWST

not attested not anchored not stored refs pending

Star Formation and Metallicity Gradients in Semi-analytic Models of Disk Galaxy Formation

Bruno M. B. Henriques, Guinevere Kauffmann, Jian Fu, Meiling Huang, Qi Guo, Robert M. Yates, Romeel Dav\'e, Sean Moran, Timothy M. Heckman

arxiv:1303.5586 v2 · 2013-03-22 · astro-ph.CO · 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{XCIHAGTRJQPNJD77ESDA6ILWST}

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	2026-07-05T05:28:39.715100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b890701a714c1ed48fff24860f217694e7dd8fdce8707ad001db99768da672cb

Aliases

arxiv: 1303.5586 · arxiv_version: 1303.5586v2 · doi: 10.48550/arxiv.1303.5586 · pith_short_12: XCIHAGTRJQPN · pith_short_16: XCIHAGTRJQPNJD77 · pith_short_8: XCIHAGTR

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/XCIHAGTRJQPNJD77ESDA6ILWST \
  | 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: b890701a714c1ed48fff24860f217694e7dd8fdce8707ad001db99768da672cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "790628d72dbe84f358e29ac4ff0f2e501204f08ff6cec4372c775da439ade9dc",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-22T11:24:03Z",
    "title_canon_sha256": "3ce6f86fb5301265e699b9a462af1a4506fa395b3569b4110a802c6d979d63e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5586",
    "kind": "arxiv",
    "version": 2
  }
}