Pith Number

pith:EW46JM5J

pith:2013:EW46JM5JPJKAQOQVSIHWSYUCFQ

not attested not anchored not stored refs pending

He II recombination lines as a test of the nature of SN Ia progenitors in elliptical galaxies

Marat Gilfanov, T. E. Woods

arxiv:1302.5911 v3 · 2013-02-24 · astro-ph.SR · astro-ph.GA · 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{EW46JM5JPJKAQOQVSIHWSYUCFQ}

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	2026-05-18T03:26:31.957058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25b9e4b3a97a54083a15920f6962822c2180299939c4f19dc651dd8d9ae2d7d8

Aliases

arxiv: 1302.5911 · arxiv_version: 1302.5911v3 · doi: 10.48550/arxiv.1302.5911 · pith_short_12: EW46JM5JPJKA · pith_short_16: EW46JM5JPJKAQOQV · pith_short_8: EW46JM5J

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/EW46JM5JPJKAQOQVSIHWSYUCFQ \
  | 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: 25b9e4b3a97a54083a15920f6962822c2180299939c4f19dc651dd8d9ae2d7d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0d74f0a379b1a8673447c1b02d696783aa29f6f0c3bebe7a4445e71479442e9",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-02-24T14:32:52Z",
    "title_canon_sha256": "2fa7682c2a8d81d181b10eae05e59f2a408321525cf2f58ab37d8eccf7d58784"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5911",
    "kind": "arxiv",
    "version": 3
  }
}