Pith Number

pith:2HPPILEE

pith:2013:2HPPILEEGYF7NVDPUHR5ABY6Z5

not attested not anchored not stored refs pending

The discovery of a population of gamma-ray novae

A. B. Hill, C. C. Cheung, P. Jean (On behalf of the Fermi-LAT collaboration)

arxiv:1308.6281 v1 · 2013-08-28 · 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{2HPPILEEGYF7NVDPUHR5ABY6Z5}

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	2026-05-18T03:14:40.390280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1def42c84360bf6d46fa1e3d0071ecf4d281fb9e5b88b344e627eb2c7ec716b

Aliases

arxiv: 1308.6281 · arxiv_version: 1308.6281v1 · doi: 10.48550/arxiv.1308.6281 · pith_short_12: 2HPPILEEGYF7 · pith_short_16: 2HPPILEEGYF7NVDP · pith_short_8: 2HPPILEE

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/2HPPILEEGYF7NVDPUHR5ABY6Z5 \
  | 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: d1def42c84360bf6d46fa1e3d0071ecf4d281fb9e5b88b344e627eb2c7ec716b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b766b68110cb68755dfa0957cbb730585e15a128b3e885023a15dbc01d0d5e7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-08-28T20:00:02Z",
    "title_canon_sha256": "daef858370ef0de760e59fa08f0efd333864b0124f731fed8cac01407eeaf214"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6281",
    "kind": "arxiv",
    "version": 1
  }
}