Pith Number

pith:4QC773KP

pith:2011:4QC773KP6LA3FMPVLRLPW5A3HZ

not attested not anchored not stored refs pending

Overlapping abundance gradients and azimuthal gradients related to the spiral structure of the Galaxy

B. Famaey, D.A. Barros, G. Carraro, J.R.D. Lepine, L. Pompeia, P. Cruz, S.M.Andrievsky, S. Scarano Jr., W.S. Dias

arxiv:1106.3137 v1 · 2011-06-16 · 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{4QC773KP6LA3FMPVLRLPW5A3HZ}

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	2026-05-18T02:01:36.525799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e405ffed4ff2c1b2b1f55c56fb741b3e637edd54363c795cb6b57d560fd27bb0

Aliases

arxiv: 1106.3137 · arxiv_version: 1106.3137v1 · doi: 10.48550/arxiv.1106.3137 · pith_short_12: 4QC773KP6LA3 · pith_short_16: 4QC773KP6LA3FMPV · pith_short_8: 4QC773KP

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/4QC773KP6LA3FMPVLRLPW5A3HZ \
  | 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: e405ffed4ff2c1b2b1f55c56fb741b3e637edd54363c795cb6b57d560fd27bb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5114307e5649184f0333553f2565b6e6ec5612349a92d942ba07a2289a7fcbd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-06-16T03:49:33Z",
    "title_canon_sha256": "2ee0e6a1c14f01d10e7f076bf274750b6ac38d1ab4ef4cc883662adf1550a9ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3137",
    "kind": "arxiv",
    "version": 1
  }
}