Pith Number

pith:KWOEIWP6

pith:2012:KWOEIWP6M3F7UUMK657EKWVIM6

not attested not anchored not stored refs pending

The Panchromatic Hubble Andromeda Treasury II. Tracing the Inner M31 Halo with Blue Horizontal Branch Stars

Anil C. Seth, Benjamin F. Williams, Eric F. Bell, Jason S. Kalirai, Julianne J. Dalcanton, Karoline M. Gilbert, Leo Girardi, Philip Rosenfield, Puragra Guhathakurta, Tod R. Lauer

arxiv:1209.2416 v1 · 2012-09-11 · 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{KWOEIWP6M3F7UUMK657EKWVIM6}

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	2026-05-18T01:54:30.312260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

559c4459fe66cbfa518af77e455aa86797f1015f93a9fe16cf32c73f4fe489d7

Aliases

arxiv: 1209.2416 · arxiv_version: 1209.2416v1 · doi: 10.48550/arxiv.1209.2416 · pith_short_12: KWOEIWP6M3F7 · pith_short_16: KWOEIWP6M3F7UUMK · pith_short_8: KWOEIWP6

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/KWOEIWP6M3F7UUMK657EKWVIM6 \
  | 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: 559c4459fe66cbfa518af77e455aa86797f1015f93a9fe16cf32c73f4fe489d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b932a94c48b5b74013ea19bb4fd6f506bc8482088feb8a8daa6b2a798982434",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-11T20:00:02Z",
    "title_canon_sha256": "c916e46a0388602602d606b6673a402fffa42a63848c8ada1028aae06cfbad43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2416",
    "kind": "arxiv",
    "version": 1
  }
}