Pith Number

pith:SKARVOUM

pith:2011:SKARVOUMSDJN4PDQ5AUO5U2TIO

not attested not anchored not stored refs pending

Calibrating hydrogen-rich core-collapse supernovae for their use as distance indicators independently of type Ia supernovae

L. Zampieri, M.L. Pumo

arxiv:1109.1781 v1 · 2011-09-08 · 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{SKARVOUMSDJN4PDQ5AUO5U2TIO}

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	2026-05-18T02:00:37.750394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92811aba8c90d2de3c70e828eed35343bc0a07871ba72480015d43c2ef4a87bc

Aliases

arxiv: 1109.1781 · arxiv_version: 1109.1781v1 · doi: 10.48550/arxiv.1109.1781 · pith_short_12: SKARVOUMSDJN · pith_short_16: SKARVOUMSDJN4PDQ · pith_short_8: SKARVOUM

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/SKARVOUMSDJN4PDQ5AUO5U2TIO \
  | 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: 92811aba8c90d2de3c70e828eed35343bc0a07871ba72480015d43c2ef4a87bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5b9bc0c997bf20dd25ec25d7599737b02ba776e576ff09042f1cfb364600b56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-08T17:25:24Z",
    "title_canon_sha256": "63c7b4f5091a2cb2aa9f6bd85762a2c3da6378aa7969592c30bc720b1c6c7b5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1781",
    "kind": "arxiv",
    "version": 1
  }
}