Pith Number

pith:4WRT2SN7

pith:2013:4WRT2SN7JZXWLBIJAQCFXQDKJG

not attested not anchored not stored refs pending

Towards a full Atmospheric Calibration system for the Cherenkov Telescope Array

A. Lopez-Oramas, D. Garrido, LL. Font, M. Doro, M. Gaug, M. Martinez (for the CTA Consortium), O. Blanch

arxiv:1307.3406 v1 · 2013-07-12 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4WRT2SN7JZXWLBIJAQCFXQDKJG}

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	2026-07-04T23:55:27.154778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5a33d49bf4e6f65850904045bc06a49a624f2089344ce8d1230d348a5d0a352

Aliases

arxiv: 1307.3406 · arxiv_version: 1307.3406v1 · doi: 10.48550/arxiv.1307.3406 · pith_short_12: 4WRT2SN7JZXW · pith_short_16: 4WRT2SN7JZXWLBIJ · pith_short_8: 4WRT2SN7

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/4WRT2SN7JZXWLBIJAQCFXQDKJG \
  | 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: e5a33d49bf4e6f65850904045bc06a49a624f2089344ce8d1230d348a5d0a352

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e4cde2911278677ea07fcfa513684f41565338226a1fc4669a5702799483576",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-07-12T10:52:36Z",
    "title_canon_sha256": "52751c8236950a1368616c725b6a0be92da859cfba253a1fedca36f42d186df0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3406",
    "kind": "arxiv",
    "version": 1
  }
}