Pith Number

pith:JBDU7VJ5

pith:2015:JBDU7VJ5ZS5ISGSEQBEYCG3QBU

not attested not anchored not stored refs pending

Radial Star Formation Histories in Fifteen Nearby Galaxies

Alan J. Hatlestad, Andrew S. Leung, Arika A. Egan, Christopher Phenicie, Daniela Calzetti, Daniel A. Dale, David O. Cook, Gillian D. Beltz-Mohrmann, Henry A. Kobulnicky, Jacob N. McLane, Jareth S. Roberts, Kate L. Barnes, Laura J. Herzog, Liese van Zee, Mederic Boquien, Shawn M. Staudaher

arxiv:1511.03285 v1 · 2015-11-10 · 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{JBDU7VJ5ZS5ISGSEQBEYCG3QBU}

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	2026-05-18T01:23:54.347502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48474fd53dccba891a448049811b700d2deea62dd730458546986f0af1f3e548

Aliases

arxiv: 1511.03285 · arxiv_version: 1511.03285v1 · doi: 10.48550/arxiv.1511.03285 · pith_short_12: JBDU7VJ5ZS5I · pith_short_16: JBDU7VJ5ZS5ISGSE · pith_short_8: JBDU7VJ5

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/JBDU7VJ5ZS5ISGSEQBEYCG3QBU \
  | 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: 48474fd53dccba891a448049811b700d2deea62dd730458546986f0af1f3e548

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97ec650326418ae230e6df95b144189f15882de773cd7ab3293633839adb5322",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-10T21:02:01Z",
    "title_canon_sha256": "5c7a72e1ad3d953ea224d0c665603b7055200c5665a492102df5ec6840f417c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.03285",
    "kind": "arxiv",
    "version": 1
  }
}