Pith Number

pith:WZPJ5J75

pith:2021:WZPJ5J75U532MQKW3ECRKLTYAH

not attested not anchored not stored refs pending

APOGEE DR16: a multi-zone chemical evolution model for the Galactic disc based on MCMC methods

B. Vai\v{c}ekauskait\.e, E. Spitoni, F. Calura, F. Matteucci, F. Vincenzo, K. Verma, M. Palla, V. Grisoni, V. Silva Aguirre

arxiv:2101.08803 v1 · 2021-01-21 · 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{WZPJ5J75U532MQKW3ECRKLTYAH}

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	2026-07-05T02:21:44.464037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b65e9ea7fda777a64156d905152e7801f0d42c720732bfded2ef0c561e03ad12

Aliases

arxiv: 2101.08803 · arxiv_version: 2101.08803v1 · doi: 10.48550/arxiv.2101.08803 · pith_short_12: WZPJ5J75U532 · pith_short_16: WZPJ5J75U532MQKW · pith_short_8: WZPJ5J75

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/WZPJ5J75U532MQKW3ECRKLTYAH \
  | 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: b65e9ea7fda777a64156d905152e7801f0d42c720732bfded2ef0c561e03ad12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e61984c86807b497fcf9e9f893380d7d784e93022319005745ed4a0f7fc6b50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-01-21T19:00:19Z",
    "title_canon_sha256": "3ce0fe875377c62a83568a4def8891abc065e3842399b41a61d3a7325c474411"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.08803",
    "kind": "arxiv",
    "version": 1
  }
}