Pith Number

pith:2STAE7C7

pith:2019:2STAE7C7HHBYFI3FS5Q2AKK3MY

not attested not anchored not stored refs pending

Galaxy Evolution in Clusters

Rafael Ruggiero

arxiv:1902.05363 v1 · 2019-02-14 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2STAE7C7HHBYFI3FS5Q2AKK3MY}

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	2026-05-17T23:54:01.066208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4a6027c5f39c382a3659761a0295b66070d667bec26989ac4e75a42b4831271

Aliases

arxiv: 1902.05363 · arxiv_version: 1902.05363v1 · doi: 10.48550/arxiv.1902.05363 · pith_short_12: 2STAE7C7HHBY · pith_short_16: 2STAE7C7HHBYFI3F · pith_short_8: 2STAE7C7

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/2STAE7C7HHBYFI3FS5Q2AKK3MY \
  | 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: d4a6027c5f39c382a3659761a0295b66070d667bec26989ac4e75a42b4831271

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36cd956512c048d588e25d3bdcddee2c9c0e62c2c85adf09732962b33a06d51e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-14T14:14:09Z",
    "title_canon_sha256": "cdb58c7f35a6c4721c61db47e7ed1e97b10ed181a9b31731bab6f58ecec3e4c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05363",
    "kind": "arxiv",
    "version": 1
  }
}