Pith Number

pith:GWACKDH4

pith:1997:GWACKDH4P4WJMPBVWV5PXYMC22

not attested not anchored not stored refs pending

The Attenuation of Gamma-Ray Emission in Strongly-Magnetized Pulsars

Alice K. Harding, Matthew G. Baring, Peter L. Gonthier

arxiv:astro-ph/9704139 v1 · 1997-04-15 · astro-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{GWACKDH4P4WJMPBVWV5PXYMC22}

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	2026-05-18T01:07:38.484835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3580250cfc7f2c963c35b57afbe182d6a9cce67a5ba60fff543ee1d4311a14e3

Aliases

arxiv: astro-ph/9704139 · arxiv_version: astro-ph/9704139v1 · doi: 10.48550/arxiv.astro-ph/9704139 · pith_short_12: GWACKDH4P4WJ · pith_short_16: GWACKDH4P4WJMPBV · pith_short_8: GWACKDH4

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/GWACKDH4P4WJMPBVWV5PXYMC22 \
  | 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: 3580250cfc7f2c963c35b57afbe182d6a9cce67a5ba60fff543ee1d4311a14e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b530398349dacd5b2590a8bfc47f2a7fb48135526191ee86ec65ff6f691f8ff2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-04-15T00:32:11Z",
    "title_canon_sha256": "c88331766e804a9e110711a9ad29229a2a15e31d2df10e34a4857918da8a18f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9704139",
    "kind": "arxiv",
    "version": 1
  }
}