Pith Number

pith:AVZY3UAZ

pith:2001:AVZY3UAZGHDJNDAUEILZLSYIPG

not attested not anchored not stored refs pending

Study of the photon flux from the night sky at La Palma and Namibia, in the wavelength region relevant for imaging atmospheric Cherenkov telescopes

A. Kohnle, G. Hermann, S. Preuss, W. Hofmann

arxiv:astro-ph/0107120 v1 · 2001-07-06 · 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{AVZY3UAZGHDJNDAUEILZLSYIPG}

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	2026-07-04T17:18:20.853742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05738dd01931c6968c14221795cb0879ab7ebf23850fa751bc3e202067b50963

Aliases

arxiv: astro-ph/0107120 · arxiv_version: astro-ph/0107120v1 · doi: 10.48550/arxiv.astro-ph/0107120 · pith_short_12: AVZY3UAZGHDJ · pith_short_16: AVZY3UAZGHDJNDAU · pith_short_8: AVZY3UAZ

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/AVZY3UAZGHDJNDAUEILZLSYIPG \
  | 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: 05738dd01931c6968c14221795cb0879ab7ebf23850fa751bc3e202067b50963

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c255be424bc2e636fd2c3f5d519c7b5ca01f09136cda1f71f3fc9229f1ebdd0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-06T07:04:50Z",
    "title_canon_sha256": "339410a95c71b065c3886fde246342f4e718590833e0860ec742b80a8c4b8004"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107120",
    "kind": "arxiv",
    "version": 1
  }
}