Pith Number

pith:AIRQ2K6O

pith:2007:AIRQ2K6OFUGBHHUQSAJEOQVTQB

not attested not anchored not stored refs pending

Galactic halo stellar structures in the Triangulum-Andromeda region

(2) Observatoire de Strasbourg, (3) IoA, Cambridge), Heidelberg, Mike Irwin (3) ((1) MPIA, Nicolas F. Martin (1), Rodrigo A. Ibata (2)

arxiv:astro-ph/0703506 v2 · 2007-03-19 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AIRQ2K6OFUGBHHUQSAJEOQVTQB}

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	2026-07-04T17:07:48.372589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02230d2bce2d0c139e9090124742b3807bc9b2dab09a724796772b3e08e493c3

Aliases

arxiv: astro-ph/0703506 · arxiv_version: astro-ph/0703506v2 · doi: 10.48550/arxiv.astro-ph/0703506 · pith_short_12: AIRQ2K6OFUGB · pith_short_16: AIRQ2K6OFUGBHHUQ · pith_short_8: AIRQ2K6O

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/AIRQ2K6OFUGBHHUQSAJEOQVTQB \
  | 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: 02230d2bce2d0c139e9090124742b3807bc9b2dab09a724796772b3e08e493c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68924fc6a4a2682425674d53c942894b76259676bba995ab44f3854c18641106",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-19T20:38:16Z",
    "title_canon_sha256": "250b72b7aee4ee27db643c2e177590063af8a2e17726f7a49ce04631652ba5fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703506",
    "kind": "arxiv",
    "version": 2
  }
}