Pith Number

pith:ZDEV6NQ7

pith:1999:ZDEV6NQ766C3AUIMAMFXOMAUBZ

not attested not anchored not stored refs pending

Geomagnetic effects on atmospheric Cerenkov images

I.D. Roberts, J.L. Osborne, K.E. Turver (University of Durham), K.J. Orford, K. Lyons, P.M. Chadwick, S.E. Shaw, S.M. Rayner, T.J.L. McComb

arxiv:astro-ph/9904082 v1 · 1999-04-07 · 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{ZDEV6NQ766C3AUIMAMFXOMAUBZ}

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	2026-07-04T15:20:41.068356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8c95f361ff785b0510c030b7730140e7602d31658fd14a3c8730d3682c015ad

Aliases

arxiv: astro-ph/9904082 · arxiv_version: astro-ph/9904082v1 · doi: 10.48550/arxiv.astro-ph/9904082 · pith_short_12: ZDEV6NQ766C3 · pith_short_16: ZDEV6NQ766C3AUIM · pith_short_8: ZDEV6NQ7

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/ZDEV6NQ766C3AUIMAMFXOMAUBZ \
  | 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: c8c95f361ff785b0510c030b7730140e7602d31658fd14a3c8730d3682c015ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb82fdeca72b6c116abf14704bac325681129f6e22f0ecf4249c1df81f683020",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-04-07T12:53:49Z",
    "title_canon_sha256": "50df206734c8763b0f574edcd29d77dbdb57c71ba625b082fee7ef724ece1d56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9904082",
    "kind": "arxiv",
    "version": 1
  }
}