Pith Number

pith:BDFTBWYW

pith:2005:BDFTBWYWCLNJPRMQ3MXQRS2WKD

not attested not anchored not stored refs pending

Optical observations of type IIP supernova 2004dj: Evidence for the asymmetry of $^{56}$Ni ejecta

N.N. Chugai, O.N. Sholukhova, P.K. Abolmasov, S.N. Fabrika, V.P. Goranskij, V.V. Vlasyuk

arxiv:astro-ph/0507689 v1 · 2005-07-29 · astro-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{BDFTBWYWCLNJPRMQ3MXQRS2WKD}

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	2026-07-04T17:14:57.022874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08cb30db1612da97c590db2f08cb5650ef383b20cb6b6df62330c326c8df9e22

Aliases

arxiv: astro-ph/0507689 · arxiv_version: astro-ph/0507689v1 · doi: 10.48550/arxiv.astro-ph/0507689 · pith_short_12: BDFTBWYWCLNJ · pith_short_16: BDFTBWYWCLNJPRMQ · pith_short_8: BDFTBWYW

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/BDFTBWYWCLNJPRMQ3MXQRS2WKD \
  | 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: 08cb30db1612da97c590db2f08cb5650ef383b20cb6b6df62330c326c8df9e22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd49f4269e957ec6ac7365b0164ff82e39033a27316c3c1a454b7f4586b367e8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-07-29T08:00:57Z",
    "title_canon_sha256": "8ecbf7bef8646cd588270933d1cd68bce587692fd7df9ae24278c5f8eeb44012"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0507689",
    "kind": "arxiv",
    "version": 1
  }
}