Pith Number

pith:57NPAXD7

pith:2019:57NPAXD7ADI2EONTVFL4JRCXA3

not attested not anchored not stored refs pending

Cluster induced quenching of galaxies in the massive cluster XMMXCSJ2215.9-1738 at z~1.5 traced by enhanced metallicities inside half R200

(2) NAOJ, (3) Tohoku University), B. L. Ziegler (1), C. Maier (1), M. Hayashi (2), T. Kodama (3) ((1) University of Vienna

arxiv:1903.09591 v2 · 2019-03-22 · 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{57NPAXD7ADI2EONTVFL4JRCXA3}

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	2026-05-17T23:44:11.626262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efdaf05c7f00d1a239b3a957c4c45706e6f21e171e64f8679e1cfdbaf20ef887

Aliases

arxiv: 1903.09591 · arxiv_version: 1903.09591v2 · doi: 10.48550/arxiv.1903.09591 · pith_short_12: 57NPAXD7ADI2 · pith_short_16: 57NPAXD7ADI2EONT · pith_short_8: 57NPAXD7

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/57NPAXD7ADI2EONTVFL4JRCXA3 \
  | 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: efdaf05c7f00d1a239b3a957c4c45706e6f21e171e64f8679e1cfdbaf20ef887

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b891e85279b64807a5d33217fced8896a4ffa046d02ac8137b71681e19b1b8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-22T16:33:06Z",
    "title_canon_sha256": "dede561770a59870f7d1e05b3b54d5f9cbda5f08da9da050b7de77e424aff85e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09591",
    "kind": "arxiv",
    "version": 2
  }
}