Pith Number

pith:KJWSZWDU

pith:2011:KJWSZWDUDAIERTV64RFO2FNUVA

not attested not anchored not stored refs pending

Abundance gradients in the galactic disk

Chenzhou Cui, Chinese Academy of Sciences), Gang Zhao, Yongheng Zhao (National Astronomical Observatories, Yuqin Chen

arxiv:1108.0721 v1 · 2011-08-03 · 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{KJWSZWDUDAIERTV64RFO2FNUVA}

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	2026-05-18T02:01:03.839168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

526d2cd874181048cebee44aed15b4a81da34d8d0c30dd61625a5c4c07a55628

Aliases

arxiv: 1108.0721 · arxiv_version: 1108.0721v1 · doi: 10.48550/arxiv.1108.0721 · pith_short_12: KJWSZWDUDAIE · pith_short_16: KJWSZWDUDAIERTV6 · pith_short_8: KJWSZWDU

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/KJWSZWDUDAIERTV64RFO2FNUVA \
  | 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: 526d2cd874181048cebee44aed15b4a81da34d8d0c30dd61625a5c4c07a55628

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10d16111655351dbae7ca315473140aee4132e2c0cf07978739f83dd7aa11fa2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-08-03T00:55:48Z",
    "title_canon_sha256": "d769684c6e57f1a9815aede223a11875419983a4fc4b68718dcfb8da0128753b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0721",
    "kind": "arxiv",
    "version": 1
  }
}