Pith Number

pith:DOCJ25UG

pith:2014:DOCJ25UGYI6EFGKQGMMDKHN2KF

not attested not anchored not stored refs pending

The Origin of S0s in Clusters: evidence from the bulge and disc star formation histories

Alfonso Aragon-Salamanca, Evelyn J. Johnston, Michael R. Merrifield

arxiv:1403.5561 v1 · 2014-03-21 · 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{DOCJ25UGYI6EFGKQGMMDKHN2KF}

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	2026-05-18T01:43:52.417413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b849d7686c23c4299503318351dba516139b2a08156478a15077628177495ca

Aliases

arxiv: 1403.5561 · arxiv_version: 1403.5561v1 · doi: 10.48550/arxiv.1403.5561 · pith_short_12: DOCJ25UGYI6E · pith_short_16: DOCJ25UGYI6EFGKQ · pith_short_8: DOCJ25UG

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/DOCJ25UGYI6EFGKQGMMDKHN2KF \
  | 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: 1b849d7686c23c4299503318351dba516139b2a08156478a15077628177495ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43399a867a74df013db1e251b0d74e163ce8c5eff4931d4906b40890b74b81e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-03-21T20:00:15Z",
    "title_canon_sha256": "6615bca399c6d5da6281a7ee934a750dcc0424395780724a11dcf96b6a303529"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5561",
    "kind": "arxiv",
    "version": 1
  }
}