Pith Number

pith:NMBY3CDG

pith:2006:NMBY3CDGPFMP5XYRTSYEH6KBI4

not attested not anchored not stored refs pending

Planetary Nebula Velocities in the Disk and Bulge of M31

A.J. Romanowsky, C. Halliday, D. Carter, D.P. Quinn, H.R. Merrett, K. Kuijken, M.I. Wilkinson, M.J. Irwin, M.R. Merrifield, N.G. Douglas, N.W. Evans, T.J. Bridges, Z.C. Jackson

arxiv:astro-ph/0603706 v1 · 2006-03-26 · 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{NMBY3CDGPFMP5XYRTSYEH6KBI4}

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	2026-07-04T16:58:30.875543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b038d88667958fedf119cb043f94147201051b8d266044d7ad0ad15632f9d63

Aliases

arxiv: astro-ph/0603706 · arxiv_version: astro-ph/0603706v1 · doi: 10.48550/arxiv.astro-ph/0603706 · pith_short_12: NMBY3CDGPFMP · pith_short_16: NMBY3CDGPFMP5XYR · pith_short_8: NMBY3CDG

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/NMBY3CDGPFMP5XYRTSYEH6KBI4 \
  | 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: 6b038d88667958fedf119cb043f94147201051b8d266044d7ad0ad15632f9d63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feae097be3eedd22f1c159a833e4b361ccc88fbce7bd9f7184c6cab1c18d64f2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-03-26T12:52:05Z",
    "title_canon_sha256": "42b3f31d6c19b3e70addde7e8cb81748d4db655911322bd8b3644e7c8e11c9aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0603706",
    "kind": "arxiv",
    "version": 1
  }
}