Pith Number

pith:UYMDXWDE

pith:2020:UYMDXWDECYTCBSOX7Q4EBGFJBG

not attested not anchored not stored refs pending

The delay time distribution of Type-Ia supernovae in galaxy clusters: the impact of extended star-formation histories

Dan Maoz, Jonathan Freundlich

arxiv:2012.00793 v2 · 2020-12-01 · astro-ph.GA · 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{UYMDXWDECYTCBSOX7Q4EBGFJBG}

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	2026-07-05T02:19:39.477346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6183bd864162620c9d7fc384098a9098b5977e6476cee7064178c0af21c966b

Aliases

arxiv: 2012.00793 · arxiv_version: 2012.00793v2 · doi: 10.48550/arxiv.2012.00793 · pith_short_12: UYMDXWDECYTC · pith_short_16: UYMDXWDECYTCBSOX · pith_short_8: UYMDXWDE

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/UYMDXWDECYTCBSOX7Q4EBGFJBG \
  | 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: a6183bd864162620c9d7fc384098a9098b5977e6476cee7064178c0af21c966b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a29063ba513e916e9d0a161db69fb250e30625db035eaa91e3c1f91f784ababf",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-12-01T19:40:36Z",
    "title_canon_sha256": "324aa039c93ad7a1bbedd783512fc3f833b0a628b6e47cac437e7c701f5f9554"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.00793",
    "kind": "arxiv",
    "version": 2
  }
}