Pith Number

pith:WNOYQYPM

pith:2009:WNOYQYPM4CZC3RQI6YSVJJCMDY

not attested not anchored not stored refs pending

Stereoscopic Analysis of the 19 May 2007 Erupting Filament

E. M. De Jong, J. L. Culhane, J. R. Hall, Laura Bone, L. van Driel-Gesztelyi, P. C. Liewer, R. A. Howard, W. T. Thompson

arxiv:0904.1055 v1 · 2009-04-07 · 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{WNOYQYPM4CZC3RQI6YSVJJCMDY}

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	2026-05-18T02:14:07.113448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b35d8861ece0b22dc608f62554a44c1e309a1abfb5d79edb0b4ebfb8c8d0ad70

Aliases

arxiv: 0904.1055 · arxiv_version: 0904.1055v1 · doi: 10.48550/arxiv.0904.1055 · pith_short_12: WNOYQYPM4CZC · pith_short_16: WNOYQYPM4CZC3RQI · pith_short_8: WNOYQYPM

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/WNOYQYPM4CZC3RQI6YSVJJCMDY \
  | 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: b35d8861ece0b22dc608f62554a44c1e309a1abfb5d79edb0b4ebfb8c8d0ad70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "456656e94b2814321538b0cdd9a6a067423dd68beed4e51456833102e6c12017",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-04-07T04:46:15Z",
    "title_canon_sha256": "621dfb716a33b393dcbeb0f17a0095530d4fa3d23549871d514af3f40a9f555a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1055",
    "kind": "arxiv",
    "version": 1
  }
}