Pith Number

pith:MTDNPPNO

pith:2010:MTDNPPNOR73FHHDRDZ242UOVI6

not attested not anchored not stored refs pending

Mapping the Galactic Halo with blue horizontal branch stars from the 2dF quasar redshift survey

Craig D. Harrison (1), Peter J. Mares (2) (1) CTIO (2) Cornell University, Roberto De Propris (1)

arxiv:1007.0013 v1 · 2010-06-30 · 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{MTDNPPNOR73FHHDRDZ242UOVI6}

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	2026-05-18T02:06:33.602497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64c6d7bdae8ff6539c711e75cd51d5478c0d15b46f564cfeacb2afefdf847fed

Aliases

arxiv: 1007.0013 · arxiv_version: 1007.0013v1 · doi: 10.48550/arxiv.1007.0013 · pith_short_12: MTDNPPNOR73F · pith_short_16: MTDNPPNOR73FHHDR · pith_short_8: MTDNPPNO

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/MTDNPPNOR73FHHDRDZ242UOVI6 \
  | 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: 64c6d7bdae8ff6539c711e75cd51d5478c0d15b46f564cfeacb2afefdf847fed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51ae8da0773cfe51a97647f7022a5937efb5a4a924c7c21d476c8c344e338f0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-06-30T20:03:19Z",
    "title_canon_sha256": "2abc828a4a072b908d7ddcd8d65c5e83c25c62623d225167bddf1f3901983e03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.0013",
    "kind": "arxiv",
    "version": 1
  }
}