Pith Number

pith:6Q4MWKRA

pith:2010:6Q4MWKRAGHB7RRFCXFGY2PP6HV

not attested not anchored not stored refs pending

Constraints on the Cosmic-Ray Density Gradient beyond the Solar Circle from Fermi gamma-ray Observations of the Third Galactic Quadrant

Fermi LAT collaboration

arxiv:1011.0816 v1 · 2010-11-03 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6Q4MWKRAGHB7RRFCXFGY2PP6HV}

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	2026-05-18T03:48:01.075993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f438cb2a2031c3f8c4a2b94d8d3dfe3d56695135cfc94b64946c1a18fe128e52

Aliases

arxiv: 1011.0816 · arxiv_version: 1011.0816v1 · doi: 10.48550/arxiv.1011.0816 · pith_short_12: 6Q4MWKRAGHB7 · pith_short_16: 6Q4MWKRAGHB7RRFC · pith_short_8: 6Q4MWKRA

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/6Q4MWKRAGHB7RRFCXFGY2PP6HV \
  | 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: f438cb2a2031c3f8c4a2b94d8d3dfe3d56695135cfc94b64946c1a18fe128e52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94a808cb4592166bf536e6de29d85f7a595b27e9e8f444d947aaf9a566639d4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-11-03T08:10:44Z",
    "title_canon_sha256": "638d14f8d88bc058ff62586f265cf4b2dae16c8352912447753b560fda810252"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.0816",
    "kind": "arxiv",
    "version": 1
  }
}