Pith Number

pith:SBMDMBZI

pith:2025:SBMDMBZIJ3T4WTU6BDKHCTVYXM

not attested not anchored not stored refs pending

Lecture Notes: WISPs in gamma-ray astrophysics

Christopher Eckner, Francesca Calore

arxiv:2505.12905 v1 · 2025-05-19 · astro-ph.HE · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SBMDMBZIJ3T4WTU6BDKHCTVYXM}

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	2026-07-05T11:05:11.580961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90583607284ee7cb4e9e08d4714eb8bb0d21f2b19c75efc0923252a20c17568e

Aliases

arxiv: 2505.12905 · arxiv_version: 2505.12905v1 · doi: 10.48550/arxiv.2505.12905 · pith_short_12: SBMDMBZIJ3T4 · pith_short_16: SBMDMBZIJ3T4WTU6 · pith_short_8: SBMDMBZI

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/SBMDMBZIJ3T4WTU6BDKHCTVYXM \
  | 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: 90583607284ee7cb4e9e08d4714eb8bb0d21f2b19c75efc0923252a20c17568e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38cdaf718e32a9464ba10d32099b29cc83fa4700b9aa1ee457ebb57533d29d0e",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-05-19T09:40:34Z",
    "title_canon_sha256": "c270c303e480bed4f849773106746b59d211cd03776d6c2a2cfba11747083899"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.12905",
    "kind": "arxiv",
    "version": 1
  }
}