Pith Number

pith:R5G25YUL

pith:2026:R5G25YULD2LDAWGVGLIQG2MQE4

not attested not anchored not stored refs pending

Astrobiology in the Time of Artificial Intelligence

Caleb Scharf

arxiv:2606.23854 v1 · 2026-06-22 · astro-ph.IM · astro-ph.EP · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R5G25YULD2LDAWGVGLIQG2MQE4}

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	2026-06-24T00:14:28.638398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f4daee28b1e963058d532d1036990273a5a6602b6955adc6e53e1830b555326

Aliases

arxiv: 2606.23854 · arxiv_version: 2606.23854v1 · doi: 10.48550/arxiv.2606.23854 · pith_short_12: R5G25YULD2LD · pith_short_16: R5G25YULD2LDAWGV · pith_short_8: R5G25YUL

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/R5G25YULD2LDAWGVGLIQG2MQE4 \
  | 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: 8f4daee28b1e963058d532d1036990273a5a6602b6955adc6e53e1830b555326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1adf712598549560bbbdcf703162a4fa1da86c10b231689426831623cb107bd9",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-06-22T18:44:25Z",
    "title_canon_sha256": "95de0bc320d79a40b2b54be4811ad574240e78b34e4a14db55e101ff563ebcd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23854",
    "kind": "arxiv",
    "version": 1
  }
}