Pith Number

pith:KCD3BZI5

pith:2025:KCD3BZI55MN4UNGXINKSHFZBRS

not attested not anchored not stored refs pending

Abundant Water from Early Supernovae at Cosmic Dawn

Christopher Jessop, Daniel J. Whalen, Muhammad A. Latif

arxiv:2501.02051 v2 · 2025-01-03 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KCD3BZI55MN4UNGXINKSHFZBRS}

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	2026-07-05T09:59:02.311208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5087b0e51deb1bca34d743552397218c9f2220cd36d0db77bc7fa46436a6130a

Aliases

arxiv: 2501.02051 · arxiv_version: 2501.02051v2 · doi: 10.48550/arxiv.2501.02051 · pith_short_12: KCD3BZI55MN4 · pith_short_16: KCD3BZI55MN4UNGX · pith_short_8: KCD3BZI5

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/KCD3BZI55MN4UNGXINKSHFZBRS \
  | 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: 5087b0e51deb1bca34d743552397218c9f2220cd36d0db77bc7fa46436a6130a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6951137190e69bea39eec00f753eb9bf2a7ba72eecb9fc170b1a65e6ce2f3a70",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-01-03T19:00:01Z",
    "title_canon_sha256": "9c6bed9bfe7916b9cfaa9fdc048a62286279af2838560cb3966d0cdbf94ab211"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.02051",
    "kind": "arxiv",
    "version": 2
  }
}