Pith Number

pith:WWFDYOWD

pith:2009:WWFDYOWDJAMHYZ7SKOU43WRQ5F

not attested not anchored not stored refs pending

The Anticipated Supernova Associated with GRB090618

Arnon Dar, Shlomo Dado

arxiv:0906.5594 v2 · 2009-06-30 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WWFDYOWDJAMHYZ7SKOU43WRQ5F}

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	2026-05-18T02:13:11.655842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b58a3c3ac348187c67f253a9cdda30e962817d3c54673ad6584e3338934d182d

Aliases

arxiv: 0906.5594 · arxiv_version: 0906.5594v2 · doi: 10.48550/arxiv.0906.5594 · pith_short_12: WWFDYOWDJAMH · pith_short_16: WWFDYOWDJAMHYZ7S · pith_short_8: WWFDYOWD

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/WWFDYOWDJAMHYZ7SKOU43WRQ5F \
  | 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: b58a3c3ac348187c67f253a9cdda30e962817d3c54673ad6584e3338934d182d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8212da5832031a9637d146d4f8c44707a49c142b0c824d991ada4d9e98a2aecd",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-06-30T17:52:44Z",
    "title_canon_sha256": "83ba2a6604753d264ac6d1c102f7b34f56e5b7b1b67b74a37b4c98f0dd131844"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.5594",
    "kind": "arxiv",
    "version": 2
  }
}