Pith Number

pith:OC26ZXAA

pith:2025:OC26ZXAAMIKDFJUEWDDJIYE3Q3

not attested not anchored not stored refs pending

Evolution of massive quiescent galaxies via envelope accretion

Carlo Nipoti

arxiv:2502.19497 v2 · 2025-02-26 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OC26ZXAAMIKDFJUEWDDJIYE3Q3}

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	2026-07-05T10:59:05.993229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70b5ecdc00621432a684b0c694609b86eb24efe9c473e943bf8c87b48b5f33ff

Aliases

arxiv: 2502.19497 · arxiv_version: 2502.19497v2 · doi: 10.48550/arxiv.2502.19497 · pith_short_12: OC26ZXAAMIKD · pith_short_16: OC26ZXAAMIKDFJUE · pith_short_8: OC26ZXAA

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/OC26ZXAAMIKDFJUEWDDJIYE3Q3 \
  | 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: 70b5ecdc00621432a684b0c694609b86eb24efe9c473e943bf8c87b48b5f33ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f85e0fa82e72b4b4458d6c41b0390bd8fffc5e28fa80a9ca3135374d285d8d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-26T19:01:44Z",
    "title_canon_sha256": "763c1d059479e773a318a759ce62b165b76b4d2234ea4c3f06704d040a64a2f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.19497",
    "kind": "arxiv",
    "version": 2
  }
}