Pith Number

pith:FU7GCDVY

pith:2011:FU7GCDVY76W56FGV3FTNEPA45N

not attested not anchored not stored refs pending

Rotation curves of luminous spiral galaxies

A. Babic, A. Pizzella, I.A. Yegorova, K. Spekkens, P. Salucci

arxiv:1110.1925 v1 · 2011-10-10 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FU7GCDVY76W56FGV3FTNEPA45N}

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	2026-05-18T04:11:19.299237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d3e610eb8ffaddf14d5d966d23c1ceb7434e7750ce943de312fb99eff1b1e2b

Aliases

arxiv: 1110.1925 · arxiv_version: 1110.1925v1 · doi: 10.48550/arxiv.1110.1925 · pith_short_12: FU7GCDVY76W5 · pith_short_16: FU7GCDVY76W56FGV · pith_short_8: FU7GCDVY

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/FU7GCDVY76W56FGV3FTNEPA45N \
  | 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: 2d3e610eb8ffaddf14d5d966d23c1ceb7434e7750ce943de312fb99eff1b1e2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba37fa0931d8a2764fbab90eee107b5ed7189c82c272500b26113415a6481849",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-10T04:47:05Z",
    "title_canon_sha256": "1a5a5a0265762daa4af2ebe320184c59b3ae8b0355e558bd85050752dd208ede"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.1925",
    "kind": "arxiv",
    "version": 1
  }
}