Pith Number

pith:AQRANMZ5

pith:2013:AQRANMZ526AGKBZ5MRIJGADBOX

not attested not anchored not stored refs pending

Fine structures in the atmosphere above a sunspot umbra

J. Hirzberger, L. Bharti, S. K. Solanki

arxiv:1302.2772 v1 · 2013-02-12 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AQRANMZ526AGKBZ5MRIJGADBOX}

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	2026-05-18T01:51:42.253357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

042206b33dd78065073d645093006175cee955a5cef86f0e646ee6a1d88eb8fc

Aliases

arxiv: 1302.2772 · arxiv_version: 1302.2772v1 · doi: 10.48550/arxiv.1302.2772 · pith_short_12: AQRANMZ526AG · pith_short_16: AQRANMZ526AGKBZ5 · pith_short_8: AQRANMZ5

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/AQRANMZ526AGKBZ5MRIJGADBOX \
  | 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: 042206b33dd78065073d645093006175cee955a5cef86f0e646ee6a1d88eb8fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d15b0ccd7dca24b50dc82f2db990002f0fc6ec623746a26365bc1c7c7d2454ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-02-12T12:40:57Z",
    "title_canon_sha256": "5852843805314561bb194d0a8bcba42607cb677a3b4333af85745e862dc9a491"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2772",
    "kind": "arxiv",
    "version": 1
  }
}