Pith Number

pith:4Y3DQGGE

pith:2015:4Y3DQGGEWBKAW3A2Z44ZAI6SUQ

not attested not anchored not stored refs pending

Morphology of blazar-induced gamma ray halos due to a helical intergalactic magnetic field

Andrew J. Long, Tanmay Vachaspati

arxiv:1505.07846 v3 · 2015-05-28 · astro-ph.CO · astro-ph.GA · 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{4Y3DQGGEWBKAW3A2Z44ZAI6SUQ}

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	2026-05-18T01:31:52.897883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6363818c4b0540b6c1acf399023d2a42b9ac29589ac0f55939943aaa537c8d7

Aliases

arxiv: 1505.07846 · arxiv_version: 1505.07846v3 · doi: 10.48550/arxiv.1505.07846 · pith_short_12: 4Y3DQGGEWBKA · pith_short_16: 4Y3DQGGEWBKAW3A2 · pith_short_8: 4Y3DQGGE

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/4Y3DQGGEWBKAW3A2Z44ZAI6SUQ \
  | 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: e6363818c4b0540b6c1acf399023d2a42b9ac29589ac0f55939943aaa537c8d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a85354f8d1305ba7547877e7894fc395d5849e5887f1bd0a01ce705f965a95f6",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-05-28T20:13:07Z",
    "title_canon_sha256": "cd8e8ae9b582c08d78463fc44dfc2d1c5e295a7294abdf7f8157399c0c818c52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07846",
    "kind": "arxiv",
    "version": 3
  }
}