Pith Number

pith:TINZ2HRM

pith:2014:TINZ2HRMJK4DHGJSG7ZFHM3QV3

not attested not anchored not stored refs pending

The stellar accretion origin of stellar population gradients in massive galaxies at large radii

Duncan A. Forbes, Emin Karabal, Jeremiah P. Ostriker, Ludwig Oser, Michaela Hirschmann, Pierre-Alain Duc, Romeel Dav\'e, Thorsten Naab

arxiv:1410.2244 v2 · 2014-10-08 · astro-ph.GA · 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{TINZ2HRMJK4DHGJSG7ZFHM3QV3}

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	2026-05-18T01:41:49.889226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a1b9d1e2c4ab833993237f253b370aed629e35f648ccf792b2b7002b033a97e

Aliases

arxiv: 1410.2244 · arxiv_version: 1410.2244v2 · doi: 10.48550/arxiv.1410.2244 · pith_short_12: TINZ2HRMJK4D · pith_short_16: TINZ2HRMJK4DHGJS · pith_short_8: TINZ2HRM

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/TINZ2HRMJK4DHGJSG7ZFHM3QV3 \
  | 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: 9a1b9d1e2c4ab833993237f253b370aed629e35f648ccf792b2b7002b033a97e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52ede88c7ef1fc7c191be143e38be78c21fc1dea664d7f2fa91bdcd26bbe7b53",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-10-08T20:00:02Z",
    "title_canon_sha256": "d1f79aaa190f8631962d2aed61ab659a2ff6cb43c65c85f6f2ffdc0e9ff33d58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.2244",
    "kind": "arxiv",
    "version": 2
  }
}