Pith Number

pith:4DIZRYTH

pith:2012:4DIZRYTHHPBDFD5HR7W2A6S2EJ

not attested not anchored not stored refs pending

The Age of the Milky Way Inner Halo

Jason Kalirai (STScI)

arxiv:1205.6802 v2 · 2012-05-30 · 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{4DIZRYTHHPBDFD5HR7W2A6S2EJ}

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	2026-05-18T01:57:09.786303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0d198e2673bc2328fa78feda07a5a2256bbd48cf6477c482c8a1b79df23f21b

Aliases

arxiv: 1205.6802 · arxiv_version: 1205.6802v2 · doi: 10.48550/arxiv.1205.6802 · pith_short_12: 4DIZRYTHHPBD · pith_short_16: 4DIZRYTHHPBDFD5H · pith_short_8: 4DIZRYTH

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/4DIZRYTHHPBDFD5HR7W2A6S2EJ \
  | 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: e0d198e2673bc2328fa78feda07a5a2256bbd48cf6477c482c8a1b79df23f21b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce6ff7e688db570cd1e37e41b5dc610575ddf02eb469131c42da580c5d106fac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-05-30T20:00:01Z",
    "title_canon_sha256": "1576b48c4931d9794fcdff7f3a5cefc7802c4485827b31f9b305afeaae8f3d0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6802",
    "kind": "arxiv",
    "version": 2
  }
}