Pith Number

pith:HEXT4L7N

pith:2013:HEXT4L7NWGJZZBNLJTCCS5LFUX

not attested not anchored not stored refs pending

The beaming pattern of External Compton Emission from relativistic outflows

E. Lefa, F. A. Aharonian, F.M. Rieger, S. R. Kelner

arxiv:1308.5157 v1 · 2013-08-23 · 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{HEXT4L7NWGJZZBNLJTCCS5LFUX}

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	2026-05-18T00:14:47.999101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

392f3e2fedb1939c85ab4cc4297565a5cb1bcfaf806337d1a3728e9999b18858

Aliases

arxiv: 1308.5157 · arxiv_version: 1308.5157v1 · doi: 10.48550/arxiv.1308.5157 · pith_short_12: HEXT4L7NWGJZ · pith_short_16: HEXT4L7NWGJZZBNL · pith_short_8: HEXT4L7N

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/HEXT4L7NWGJZZBNLJTCCS5LFUX \
  | 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: 392f3e2fedb1939c85ab4cc4297565a5cb1bcfaf806337d1a3728e9999b18858

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efa17cd99bb6ebd830cf10f86da5c712f446c9e3aef8c02350e0d5d122f0e8b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-08-23T15:31:00Z",
    "title_canon_sha256": "9d4c574d405a6c9e593f278b4e268f3f040009b79ab950951b3aeb6a7c59989a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5157",
    "kind": "arxiv",
    "version": 1
  }
}