Pith Number

pith:3WWFFB6Q

pith:2024:3WWFFB6QOG32WH5FY73MCQLLY5

not attested not anchored not stored refs pending

Potential technosignature from anomalously low deuterium/hydrogen (D/H) in planetary water depleted by nuclear fusion technology

David C. Catling, Joshua Krissansen-Totton, Tyler D. Robinson

arxiv:2411.18595 v2 · 2024-11-27 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WWFFB6QOG32WH5FY73MCQLLY5}

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	2026-07-05T09:41:47.881175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddac5287d071b7ab1fa5c7f6c1416bc7768e9e9a98c6e520f82924837a4519d6

Aliases

arxiv: 2411.18595 · arxiv_version: 2411.18595v2 · doi: 10.48550/arxiv.2411.18595 · pith_short_12: 3WWFFB6QOG32 · pith_short_16: 3WWFFB6QOG32WH5F · pith_short_8: 3WWFFB6Q

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/3WWFFB6QOG32WH5FY73MCQLLY5 \
  | 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: ddac5287d071b7ab1fa5c7f6c1416bc7768e9e9a98c6e520f82924837a4519d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8adf0a03084469096359215ea8937b31495a8abb644c76893c0690eabbedbe2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2024-11-27T18:40:46Z",
    "title_canon_sha256": "a03f146bc04b2094c4406bf7644d42fcfade617ff542a691c13d7e825aa184b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.18595",
    "kind": "arxiv",
    "version": 2
  }
}