Pith Number

pith:5FF44X2L

pith:2013:5FF44X2LDBD6RDRBCTGCCTAF7Q

not attested not anchored not stored refs pending

Supernova spectra below strong circum-stellar interaction

D. Xu, E. Y. Hsiao, F. Taddia, G. Leloudas, J. Johansson, J. M. Silverman, J. Nordin, J. Sollerman, K. Maeda, M. D. Stritzinger, T. J. Moriya, T. Petrushevska

arxiv:1306.1549 v2 · 2013-06-06 · 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{5FF44X2LDBD6RDRBCTGCCTAF7Q}

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	2026-05-18T02:19:25.885674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e94bce5f4b1847e88e2114cc214c05fc26f012e0c7b8c1c21905f6f43d9d8e3b

Aliases

arxiv: 1306.1549 · arxiv_version: 1306.1549v2 · doi: 10.48550/arxiv.1306.1549 · pith_short_12: 5FF44X2LDBD6 · pith_short_16: 5FF44X2LDBD6RDRB · pith_short_8: 5FF44X2L

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/5FF44X2LDBD6RDRBCTGCCTAF7Q \
  | 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: e94bce5f4b1847e88e2114cc214c05fc26f012e0c7b8c1c21905f6f43d9d8e3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d2ce3fefe898bc7f46cc654ab9b69a3c9889bee61385d4ecf9b21ef71c7a12f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-06-06T20:42:39Z",
    "title_canon_sha256": "552215bc23176a59291e121a75805bf0ad0825ab2e79040d83a0a1f56dc8a562"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1549",
    "kind": "arxiv",
    "version": 2
  }
}