Pith Number

pith:VHIJYNJB

pith:2019:VHIJYNJB5BWGIBJWCLAFTKVU5S

not attested not anchored not stored refs pending

Nebular Models of Sub-Chandrasekhar Mass Type Ia Supernovae: Clues to the Origin of Ca-rich Transients

Abigail Polin, Daniel Kasen, Peter Nugent

arxiv:1910.12434 v2 · 2019-10-28 · 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{VHIJYNJB5BWGIBJWCLAFTKVU5S}

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	2026-07-05T02:10:37.210334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9d09c3521e86c64053612c059aab4ec81c303bc30225dce73aa18dcc2355aeb

Aliases

arxiv: 1910.12434 · arxiv_version: 1910.12434v2 · doi: 10.48550/arxiv.1910.12434 · pith_short_12: VHIJYNJB5BWG · pith_short_16: VHIJYNJB5BWGIBJW · pith_short_8: VHIJYNJB

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/VHIJYNJB5BWGIBJWCLAFTKVU5S \
  | 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: a9d09c3521e86c64053612c059aab4ec81c303bc30225dce73aa18dcc2355aeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03c0f2f8305201d44d78437653471402cdf4c951b481286383c1326d4e368980",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-10-28T04:15:43Z",
    "title_canon_sha256": "8ba38fcae37e3359b1ac612ed67849bab4e05410cdf8f8b0762655e64a63faff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.12434",
    "kind": "arxiv",
    "version": 2
  }
}