Pith Number

pith:JQAUU3VW

pith:2001:JQAUU3VW6XAOXVFRDGWZ7BU4FM

not attested not anchored not stored refs pending

A possible use for polarizers in imaging atmospheric Cherenkov telescopes

(2) Universidad Complutense Madrid, (3) MPI fuer Physik - Munich), I. de La Calle (1), J. Cortina (3), J.L. Contreras (2), V. Fonseca (2) ((1) University of Leeds

arxiv:astro-ph/0107271 v1 · 2001-07-16 · 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{JQAUU3VW6XAOXVFRDGWZ7BU4FM}

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	2026-05-18T02:40:36.133162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c014a6eb6f5c0ebd4b119ad9f869c2b066260decd62d53feb8289ab19c8fe6c

Aliases

arxiv: astro-ph/0107271 · arxiv_version: astro-ph/0107271v1 · doi: 10.48550/arxiv.astro-ph/0107271 · pith_short_12: JQAUU3VW6XAO · pith_short_16: JQAUU3VW6XAOXVFR · pith_short_8: JQAUU3VW

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/JQAUU3VW6XAOXVFRDGWZ7BU4FM \
  | 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: 4c014a6eb6f5c0ebd4b119ad9f869c2b066260decd62d53feb8289ab19c8fe6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4291ccf433dc8717c980f4745bdc7dbc9dffbb62a2dd37601c527a6093a7201",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-16T11:13:38Z",
    "title_canon_sha256": "9a388271e99e99d8e8912b081cffca22fddd0b916581afba2e7905de0f04db0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107271",
    "kind": "arxiv",
    "version": 1
  }
}