Pith Number

pith:XABIN7RE

pith:2015:XABIN7REAXUFJ4LFT4HXTVDVHY

not attested not anchored not stored refs pending

The 1999aa-like Type Ia Supernova iPTF14bdn in the Ultraviolet and Optical

Jujia Zhang, Jun Mo, Michael T. Smitka, Nicholas B. Suntzeff, Peter J. Brown, Qian Zhai, Tianmeng Zhang, Xiaofeng Wang

arxiv:1509.07129 v1 · 2015-09-23 · astro-ph.HE · 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{XABIN7REAXUFJ4LFT4HXTVDVHY}

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	2026-05-18T01:27:57.105427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b80286fe2405e854f1659f0f79d4753e35063401ed53de8b05f9db7d14218d57

Aliases

arxiv: 1509.07129 · arxiv_version: 1509.07129v1 · doi: 10.48550/arxiv.1509.07129 · pith_short_12: XABIN7REAXUF · pith_short_16: XABIN7REAXUFJ4LF · pith_short_8: XABIN7RE

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/XABIN7REAXUFJ4LFT4HXTVDVHY \
  | 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: b80286fe2405e854f1659f0f79d4753e35063401ed53de8b05f9db7d14218d57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c24850200207addbb0f0b7e208940b9d87b2925045f0bd4b5bf04fd10cfc1b7",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-09-23T20:07:30Z",
    "title_canon_sha256": "f24ac3fbe8a74cd767ee41c1839fe74b4f08d6e5e290cc50a4d686af03a35928"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07129",
    "kind": "arxiv",
    "version": 1
  }
}