Pith Number

pith:FMHNTPTN

pith:2025:FMHNTPTN6N4ZP7RKNBVXVFAIG7

not attested not anchored not stored refs pending

Alien Type Ia supernovae from the Milky Way merger history and one possible candidate: Kepler's supernova

Eda Gjergo, Ping Zhou, Wenlang He, Xiaoting Fu

arxiv:2505.03085 v2 · 2025-05-06 · 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{FMHNTPTN6N4ZP7RKNBVXVFAIG7}

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	2026-07-05T11:20:53.857413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b0ed9be6df37997fe2a686b7a940837da24f182aec262098eb92f3702f3cf7a

Aliases

arxiv: 2505.03085 · arxiv_version: 2505.03085v2 · doi: 10.48550/arxiv.2505.03085 · pith_short_12: FMHNTPTN6N4Z · pith_short_16: FMHNTPTN6N4ZP7RK · pith_short_8: FMHNTPTN

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/FMHNTPTN6N4ZP7RKNBVXVFAIG7 \
  | 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: 2b0ed9be6df37997fe2a686b7a940837da24f182aec262098eb92f3702f3cf7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c111ce12759176a3db31b254b14de5e86300359f819e19082a221a952d304988",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-05-06T00:45:43Z",
    "title_canon_sha256": "c2f9d8c652bcc3471638efc3cb68cc93241ba4c63acc6b9f4b768b4e32a07553"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.03085",
    "kind": "arxiv",
    "version": 2
  }
}