Pith Number

pith:5257J3EX

pith:2009:5257J3EXA6FNHUX4GPTNFBSHQ2

not attested not anchored not stored refs pending

Fermi LAT Observations of LS I +61 303: First detection of an orbital modulation in GeV Gamma Rays

A. A. Abdo, et al. (for the Fermi LAT collaboration)

arxiv:0907.4307 v1 · 2009-07-24 · 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{5257J3EXA6FNHUX4GPTNFBSHQ2}

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

Fermi-LAT and FAST observation of the gamma-ray binary HESS J0632+057

Receipt and verification

First computed	2026-07-04T23:53:02.367909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eebbf4ec97078ad3d2fc33e6d2864786ac483c39f4fbfb8baadb9fa0325bc235

Aliases

arxiv: 0907.4307 · arxiv_version: 0907.4307v1 · doi: 10.48550/arxiv.0907.4307 · pith_short_12: 5257J3EXA6FN · pith_short_16: 5257J3EXA6FNHUX4 · pith_short_8: 5257J3EX

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/5257J3EXA6FNHUX4GPTNFBSHQ2 \
  | 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: eebbf4ec97078ad3d2fc33e6d2864786ac483c39f4fbfb8baadb9fa0325bc235

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6cc6ef9c372a6c9a6553dcd7d05089b4a6b61ad05b72784da57fd1e0a9bb9cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-07-24T14:57:40Z",
    "title_canon_sha256": "307ae80edda49ad4458139d82546d821a35bbcc241b888e3af377a18a38b3812"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4307",
    "kind": "arxiv",
    "version": 1
  }
}