Pith Number

pith:7RLX5EUL

pith:2005:7RLX5EUL6DHXHSXLN2N5AU2O4B

not attested not anchored not stored refs pending

On the accretion origin of a vast extended stellar disk around the Andromeda galaxy

A. M. N. Ferguson, G. Lewis, M. Irwin, N. Tanvir, R. Ibata, S. Chapman

arxiv:astro-ph/0504164 v1 · 2005-04-06 · 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{7RLX5EUL6DHXHSXLN2N5AU2O4B}

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.

Cited by

1 paper in Pith

The Merger-Driven Origin of the Vast Extended Stellar Disc Around the Andromeda Galaxy

Receipt and verification

First computed	2026-07-04T15:22:17.146900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc577e928bf0cf73caeb6e9bd0534ee050f3792d64a13c8cca11f1b65d65f82f

Aliases

arxiv: astro-ph/0504164 · arxiv_version: astro-ph/0504164v1 · doi: 10.48550/arxiv.astro-ph/0504164 · pith_short_12: 7RLX5EUL6DHX · pith_short_16: 7RLX5EUL6DHXHSXL · pith_short_8: 7RLX5EUL

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/7RLX5EUL6DHXHSXLN2N5AU2O4B \
  | 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: fc577e928bf0cf73caeb6e9bd0534ee050f3792d64a13c8cca11f1b65d65f82f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6225dda6436e57b6b87c8fc30c52f7dbbe00054499a0f152c3a91a5479a846ad",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-06T21:59:14Z",
    "title_canon_sha256": "f9e125b55f781229ad6187f031cc67aeb795b7dcf12beaa860d712442aa38303"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504164",
    "kind": "arxiv",
    "version": 1
  }
}