Pith Number

pith:CFC5BQPR

pith:2010:CFC5BQPRYNNBE4RMORSMSI4M2O

not attested not anchored not stored refs pending

The optical depth of white-light flare continuum

Declan Diver, Hugh Hudson, Hugh Potts, Lyndsay Fletcher

arxiv:1004.1039 v1 · 2010-04-07 · 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{CFC5BQPRYNNBE4RMORSMSI4M2O}

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	2026-05-18T02:08:13.945174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1145d0c1f1c35a12722c7464c9238cd3ab9664ae210393aaced5350d379b5de9

Aliases

arxiv: 1004.1039 · arxiv_version: 1004.1039v1 · doi: 10.48550/arxiv.1004.1039 · pith_short_12: CFC5BQPRYNNB · pith_short_16: CFC5BQPRYNNBE4RM · pith_short_8: CFC5BQPR

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/CFC5BQPRYNNBE4RMORSMSI4M2O \
  | 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: 1145d0c1f1c35a12722c7464c9238cd3ab9664ae210393aaced5350d379b5de9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "779c4b0ba4ee2c9838da5d2b0e586a02d2438ce167e5649e5cfbd089b421285f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-04-07T09:47:51Z",
    "title_canon_sha256": "983a577bc5904cfcb6162fa21243613eea452079b314c9bb6486cf9f8fa2c37e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1039",
    "kind": "arxiv",
    "version": 1
  }
}