Pith Number

pith:ZNZQWSIS

pith:2013:ZNZQWSISZ6OAI7P7EVNEBU32TW

not attested not anchored not stored refs pending

SWAP Observations of the Long-Term, Large-Scale Evolution of the EUV Solar Corona

Anik de Groof, Bogdan Nicula, Daniel B. Seaton, David Berghmans, Paul Shearer

arxiv:1309.1345 v1 · 2013-09-05 · astro-ph.SR · physics.space-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{ZNZQWSISZ6OAI7P7EVNEBU32TW}

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	2026-05-18T01:47:49.435693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb730b4912cf9c047dff255a40d37a9da6ce0d0ac16e9da0f94fe785031f5129

Aliases

arxiv: 1309.1345 · arxiv_version: 1309.1345v1 · doi: 10.48550/arxiv.1309.1345 · pith_short_12: ZNZQWSISZ6OA · pith_short_16: ZNZQWSISZ6OAI7P7 · pith_short_8: ZNZQWSIS

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/ZNZQWSISZ6OAI7P7EVNEBU32TW \
  | 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: cb730b4912cf9c047dff255a40d37a9da6ce0d0ac16e9da0f94fe785031f5129

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9289845f67142ebd4ae8980287bc6387b1df10950741953db19be728a540c8d7",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-05T13:37:25Z",
    "title_canon_sha256": "2f6b4233bb689eccf22fea1340476a10ae46c30e9b24ca1eb59318c86b7398de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1345",
    "kind": "arxiv",
    "version": 1
  }
}