Pith Number

pith:THENSXNK

pith:2026:THENSXNKOL4Z6DIGSE577EBIFB

not attested not anchored not stored refs pending

Astrophysics Wrapped 2025: Year-in-Review of Every Astrophysics arXiv Paper from 2025

Amruth Alfred, Hetansh Shah, Rommulus Francis Lewis

arxiv:2602.12303 v3 · 2026-02-11 · astro-ph.IM · astro-ph.CO · astro-ph.EP · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{THENSXNKOL4Z6DIGSE577EBIFB}

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	2026-06-19T16:12:18.594955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99c8d95daa72f99f0d06913bff90282840ec7d9b4faf3d6920e73a2815da397a

Aliases

arxiv: 2602.12303 · arxiv_version: 2602.12303v3 · doi: 10.48550/arxiv.2602.12303 · pith_short_12: THENSXNKOL4Z · pith_short_16: THENSXNKOL4Z6DIG · pith_short_8: THENSXNK

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/THENSXNKOL4Z6DIGSE577EBIFB \
  | 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: 99c8d95daa72f99f0d06913bff90282840ec7d9b4faf3d6920e73a2815da397a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dff719bb2b2b0c123e7d80fdb9f32569c6ca9ea983e696ee6053afd309cc90ff",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.EP",
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-02-11T19:00:02Z",
    "title_canon_sha256": "3ab10e6c6d61f7c71eeedb09e93ee9563abb7be43ee96fc5a1a8187c54b8ec95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.12303",
    "kind": "arxiv",
    "version": 3
  }
}