Pith Number

pith:CLTI2CDV

pith:2021:CLTI2CDVDLHZNSPHCIIVF4PBHS

not attested not anchored not stored refs pending

Constraining Type Ia Supernova Delay Time with Spatially Resolved Star Formation Histories

Lei Hu, Lifan Wang, Xingzhuo Chen

arxiv:2101.06242 v1 · 2021-01-15 · 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{CLTI2CDVDLHZNSPHCIIVF4PBHS}

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	2026-07-05T03:34:21.667970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12e68d08751acf96c9e7121152f1e13c9be3e68b9ddacf6043522d75a69969f2

Aliases

arxiv: 2101.06242 · arxiv_version: 2101.06242v1 · doi: 10.48550/arxiv.2101.06242 · pith_short_12: CLTI2CDVDLHZ · pith_short_16: CLTI2CDVDLHZNSPH · pith_short_8: CLTI2CDV

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/CLTI2CDVDLHZNSPHCIIVF4PBHS \
  | 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: 12e68d08751acf96c9e7121152f1e13c9be3e68b9ddacf6043522d75a69969f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d3da071ff0a62b7c8069b1f4ed5328d4c7cdc9af71daeb0853656d11ed44b19",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-01-15T18:00:04Z",
    "title_canon_sha256": "1955586e48bd6b113ed8767ea75257854e2097fd9527d95c65534574086331a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.06242",
    "kind": "arxiv",
    "version": 1
  }
}