Pith Number

pith:UGVISXIL

pith:2013:UGVISXILRPJO2Y4GROX3RRQVUA

not attested not anchored not stored refs pending

Stellar Populations in the Outer Halo of the Massive Elliptical M49

Chris Mihos, Craig Rudick, John Feldmeier, Paul Harding

arxiv:1301.4898 v2 · 2013-01-21 · 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{UGVISXILRPJO2Y4GROX3RRQVUA}

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	2026-05-18T01:52:05.073609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1aa895d0b8bd2ed63868bafb8c615a0364dbc6550e3fe11d9dbe834a4f7b4d3

Aliases

arxiv: 1301.4898 · arxiv_version: 1301.4898v2 · doi: 10.48550/arxiv.1301.4898 · pith_short_12: UGVISXILRPJO · pith_short_16: UGVISXILRPJO2Y4G · pith_short_8: UGVISXIL

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/UGVISXILRPJO2Y4GROX3RRQVUA \
  | 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: a1aa895d0b8bd2ed63868bafb8c615a0364dbc6550e3fe11d9dbe834a4f7b4d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "844771c15f1fc7b873ca6f19746385cd52081c10f34144a7d2adb895bc5b4d25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-21T15:47:41Z",
    "title_canon_sha256": "5d66d5208a1bb8a7e8f8e2be0e774b01eb992ed34ac45881293626fc9a07879f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4898",
    "kind": "arxiv",
    "version": 2
  }
}