Pith Number

pith:WUXJ223F

pith:2026:WUXJ223FKHCKMHDP42BEHTS3VK

not attested not anchored not stored refs pending

White Paper on Phototrophic Biosignatures: Research Priorities for the Search for Life on Other Worlds

Anastasia G. Yanchilina, Anna Grace Ulses, Anthony J. Burnetti, Bet\"ul Ka\c{c}ar, Carolina A. Martinez-Gutierrez, Christopher Gisriel, Colin Gates, Edward W. Schwieterman, Elisabetta Liistro, \'Emilie A. Lafl\`eche, Felisa Wolfe-Simon, Gary F. Moore, Hazel A. Barton, Jonathan Lindsey, Junko Yano, Keiichi Inoue, Kenji Takizawa, Kevin E. Redding, Ligia F. Coelho, Mary N. Parenteau, Massimo Olivucci, Michael L. Wong, Nancy Y. Kiang, Nathan M. Ennist, Nicoletta La Rocca, Oded B\'ej\`a, R.J. Graham, Robert E. Blankenship, Saleheh Ebadirad, Taro Matsuo, Tejinder Singh, Timothy Lyons, Victoria Meadows, Yuka Fujii, Yu Komatsu

arxiv:2607.03106 v1 · 2026-07-03 · astro-ph.IM · 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{WUXJ223FKHCKMHDP42BEHTS3VK}

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	2026-07-07T01:16:43.191856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b52e9d6b6551c4a61c6fe68243ce5baab0a00783cd28bb336d94431a21601ceb

Aliases

arxiv: 2607.03106 · arxiv_version: 2607.03106v1 · doi: 10.48550/arxiv.2607.03106 · pith_short_12: WUXJ223FKHCK · pith_short_16: WUXJ223FKHCKMHDP · pith_short_8: WUXJ223F

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/WUXJ223FKHCKMHDP42BEHTS3VK \
  | 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: b52e9d6b6551c4a61c6fe68243ce5baab0a00783cd28bb336d94431a21601ceb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b0329ba6680ca8461663b590d079e46de1b42d426fa618f904a35296c22dee3",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-03T08:41:52Z",
    "title_canon_sha256": "b6e51ea6d9b1407f34bedf5cb311fe80c88966f9fd0e76544926d0275be0dac5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.03106",
    "kind": "arxiv",
    "version": 1
  }
}