Pith Number

pith:AFEWJHVG

pith:2014:AFEWJHVG322JHXWHGYOK4DHURM

not attested not anchored not stored refs pending

On the Nature of Type Ia-CSM Supernovae: Optical and Near-Infrared Spectra of SN 2012ca and SN 2013dn

Alexei V. Filippenko (UCB), Dan Milisavljevic (CfA), Eric Hsiao (Aarhus), G. H. Marion (UT Austin), H. Jacob Borish (UVA), Isaac Shivvers (UCB), Jeffrey M. Silverman (UT Austin), Jerod Parrent (CfA), John Wilson (UVA), Jon Mauerhan (UCB), Juliette Becker (Caltech), Kelsey I. Clubb (UCB), Melissa Graham (UCB), Michael Skrutskie (UVA), Nathan Smith (Steward), Ori D. Fox (UCB), Patrick L. Kelly (UCB), S. Bradley Cenko (NASA GSFC), Weikang Zheng (UCB), William H. Lee (UNAM)

arxiv:1408.6239 v1 · 2014-08-26 · astro-ph.SR · astro-ph.CO · 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{AFEWJHVG322JHXWHGYOK4DHURM}

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	2026-05-18T01:42:12.915783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0149649ea6deb493dec7361cae0cf48b0e7a932f63da61baab0c224ef3dcf9af

Aliases

arxiv: 1408.6239 · arxiv_version: 1408.6239v1 · doi: 10.48550/arxiv.1408.6239 · pith_short_12: AFEWJHVG322J · pith_short_16: AFEWJHVG322JHXWH · pith_short_8: AFEWJHVG

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/AFEWJHVG322JHXWHGYOK4DHURM \
  | 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: 0149649ea6deb493dec7361cae0cf48b0e7a932f63da61baab0c224ef3dcf9af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bfdf1223443b2648d5c53dbf8a5f93ea7b076097dd66f531c5f5918afe59867",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-08-26T20:00:22Z",
    "title_canon_sha256": "61b21915ff9ae44e72ab5163f4b2b587d493a6e9145d42f3cf9d08b8ce808f71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6239",
    "kind": "arxiv",
    "version": 1
  }
}