Pith Number

pith:H2UACXGJ

pith:2017:H2UACXGJ6QILXVUH3REJTGKQQW

not attested not anchored not stored refs pending

Spectropolarimetry of the 2012 outburst of SN 2009ip: a bi-polar explosion in a dense, disk-like CSM

Dietrich Baade, Emma Reilly, Ferdinando Patat, Jason Spyromilio, J. Craig Wheeler, Justyn R. Maund, Lifan Wang, Peter H\"oflich

arxiv:1701.08885 v1 · 2017-01-31 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H2UACXGJ6QILXVUH3REJTGKQQW}

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	2026-05-18T00:51:38.962485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ea8015cc9f410bbd687dc4899995085acb1ca900c4bc02932b56c10dccdf7fc

Aliases

arxiv: 1701.08885 · arxiv_version: 1701.08885v1 · doi: 10.48550/arxiv.1701.08885 · pith_short_12: H2UACXGJ6QIL · pith_short_16: H2UACXGJ6QILXVUH · pith_short_8: H2UACXGJ

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/H2UACXGJ6QILXVUH3REJTGKQQW \
  | 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: 3ea8015cc9f410bbd687dc4899995085acb1ca900c4bc02932b56c10dccdf7fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2142248ae57cb3c44d99c3a9dd1790c7b506af538f8c2792cf7043514a0792f",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-01-31T01:39:08Z",
    "title_canon_sha256": "8c71244da2880db616a571406102762c33ccfc021583804b09d86311557c7f5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08885",
    "kind": "arxiv",
    "version": 1
  }
}