Pith Number

pith:OOGOFTPX

pith:2012:OOGOFTPXWD53JU44VDYX5BLLUU

not attested not anchored not stored refs pending

The Peculiar Balmer Decrement of SN 2009ip: Constraints on Circumstellar Geometry

Adam G. Ginsburg, Brian A. Keeney, Emily M. Levesque, Guy S. Stringfellow, John Bally

arxiv:1211.4577 v2 · 2012-11-19 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OOGOFTPXWD53JU44VDYX5BLLUU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:53:02.790062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

738ce2cdf7b0fbb4d39ca8f17e856ba502a69f85fe4c56bbb73b5a3fc24b64fa

Aliases

arxiv: 1211.4577 · arxiv_version: 1211.4577v2 · doi: 10.48550/arxiv.1211.4577 · pith_short_12: OOGOFTPXWD53 · pith_short_16: OOGOFTPXWD53JU44 · pith_short_8: OOGOFTPX

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/OOGOFTPXWD53JU44VDYX5BLLUU \
  | 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: 738ce2cdf7b0fbb4d39ca8f17e856ba502a69f85fe4c56bbb73b5a3fc24b64fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53480457aab1f34438a880b040fff4e843eee46e3a4ad08a9f6d254712298155",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-11-19T21:00:02Z",
    "title_canon_sha256": "cb844de8265ec3f50bb416782ec688fbe9f53f3854acc3df6cc97150acd5e8fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4577",
    "kind": "arxiv",
    "version": 2
  }
}