Pith Number

pith:PY343UAX

pith:2008:PY343UAXAEJH5R5MZY47COT4MH

not attested not anchored not stored refs pending

New Constraints on Hidden Photons using Very High Energy Gamma-Rays from the Crab Nebula

Dieter Horns, Hannes-Sebastian Zechlin, Javier Redondo

arxiv:0810.5501 v1 · 2008-10-30 · 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{PY343UAXAEJH5R5MZY47COT4MH}

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.

Cited by

1 paper in Pith

INTEGRAL, eROSITA and Voyager Constraints on Light Bosonic Dark Matter: ALPs, Dark Photons, Scalars, $B-L$ and $L_{i}-L_{j}$ Vectors

Receipt and verification

First computed	2026-07-04T17:13:23.727822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e37cdd01701127ec7acce39f13a7c61c8054d91b764585b01abd0bac40657f5

Aliases

arxiv: 0810.5501 · arxiv_version: 0810.5501v1 · doi: 10.48550/arxiv.0810.5501 · pith_short_12: PY343UAXAEJH · pith_short_16: PY343UAXAEJH5R5M · pith_short_8: PY343UAX

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/PY343UAXAEJH5R5MZY47COT4MH \
  | 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: 7e37cdd01701127ec7acce39f13a7c61c8054d91b764585b01abd0bac40657f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "350a9a397eefc90c9f180c8dcdfed33b10fd2c421758a0dbe1c8893d1d90aa99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-30T15:36:56Z",
    "title_canon_sha256": "31b6682e8bbfd12c07f92bd80aa6ed9b009e5d784decf12fc4096b69c54bd0e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.5501",
    "kind": "arxiv",
    "version": 1
  }
}