Pith Number

pith:EQ7QH7FT

pith:2025:EQ7QH7FTHTRLVEWPA52NWNCOSE

not attested not anchored not stored refs pending

21 years of Astronomy at Warwick: celebrating the legacy of Prof. Tom Marsh

Boris G\"ansicke, Daniel Bayliss, Danny Steeghs, David Buckley, Gijs Nelemans, Ingrid Pelisoli, Keith Horne, Kevin Burdge, Stuart Littlefair, Vik Dhillon

arxiv:2504.20954 v1 · 2025-04-29 · astro-ph.SR · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQ7QH7FTHTRLVEWPA52NWNCOSE}

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	2026-07-05T10:55:52.119431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

243f03fcb33ce2ba92cf0774db344e910d75d172af04e21c52a48bbdc7af2754

Aliases

arxiv: 2504.20954 · arxiv_version: 2504.20954v1 · doi: 10.48550/arxiv.2504.20954 · pith_short_12: EQ7QH7FTHTRL · pith_short_16: EQ7QH7FTHTRLVEWP · pith_short_8: EQ7QH7FT

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/EQ7QH7FTHTRLVEWPA52NWNCOSE \
  | 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: 243f03fcb33ce2ba92cf0774db344e910d75d172af04e21c52a48bbdc7af2754

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c098c056599bab11a58ef2185cd36bc149f780913b5d9f21e125be139ac12442",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-04-29T17:25:07Z",
    "title_canon_sha256": "6da214bbcbba738c8bcfcad2a9989840f8f0f21d32c7eae3a4f97a212d470ae6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.20954",
    "kind": "arxiv",
    "version": 1
  }
}