Pith Number

pith:ZYQH5QEN

pith:2012:ZYQH5QENIXWEAEMK4IPWSYYYQL

not attested not anchored not stored refs pending

NIR/Optical Selected Local Mergers --- Spatial Density and sSFR Enhancement

C. Kevin Xu

arxiv:1201.4898 v3 · 2012-01-24 · 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{ZYQH5QENIXWEAEMK4IPWSYYYQL}

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	2026-05-18T03:17:44.788399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce207ec08d45ec40118ae21f69631882f3c0ab6948d7d30be1cdc86b0c9f0297

Aliases

arxiv: 1201.4898 · arxiv_version: 1201.4898v3 · doi: 10.48550/arxiv.1201.4898 · pith_short_12: ZYQH5QENIXWE · pith_short_16: ZYQH5QENIXWEAEMK · pith_short_8: ZYQH5QEN

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/ZYQH5QENIXWEAEMK4IPWSYYYQL \
  | 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: ce207ec08d45ec40118ae21f69631882f3c0ab6948d7d30be1cdc86b0c9f0297

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f032182fadc9bdc4f382c5bce437f562d7dfb072234cf1a01b46aaeda12288a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-24T00:35:41Z",
    "title_canon_sha256": "052e51c90d0d66943d01529ba606ebf3ed222f4cad5275dd56351fce2cf0fd5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4898",
    "kind": "arxiv",
    "version": 3
  }
}