Pith Number

pith:M2SWWJ4I

pith:2025:M2SWWJ4IMKRH3T6FTNYOHHSSIU

not attested not anchored not stored refs pending

Image Marker

Andi Kisare, Lindsey Bleem, Ryan Walker

arxiv:2507.02153 v1 · 2025-07-02 · 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{M2SWWJ4IMKRH3T6FTNYOHHSSIU}

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	2026-07-05T11:31:12.891764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66a56b278862a27dcfc59b70e39e524513516377a710323ba96610ee8c80a82b

Aliases

arxiv: 2507.02153 · arxiv_version: 2507.02153v1 · doi: 10.48550/arxiv.2507.02153 · pith_short_12: M2SWWJ4IMKRH · pith_short_16: M2SWWJ4IMKRH3T6F · pith_short_8: M2SWWJ4I

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/M2SWWJ4IMKRH3T6FTNYOHHSSIU \
  | 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: 66a56b278862a27dcfc59b70e39e524513516377a710323ba96610ee8c80a82b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47275ea45ba2d340e08fc1dbbd5e920eb66cd343a6560f4264374a8ba34e1f80",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-07-02T21:22:10Z",
    "title_canon_sha256": "adf571b4a0110c0513d0d865302e2632fce7d629f09ae84e49517595bafb403f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.02153",
    "kind": "arxiv",
    "version": 1
  }
}