Pith Number

pith:FVK5R7VD

pith:2022:FVK5R7VDU5OV6XUJ2BCIK4PF3J

not attested not anchored not stored refs pending

Detailed chemical abundances of stars in the outskirts of the Tucana II ultra-faint dwarf galaxy

Alexander P. Ji, Anirudh Chiti, Anna Frebel, Dongwon Kim, Helmut Jerjen, John E. Norris, Joshua D. Simon, Mohammad K. Mardini, Xiaowei Ou

arxiv:2205.01740 v2 · 2022-05-03 · 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{FVK5R7VDU5OV6XUJ2BCIK4PF3J}

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	2026-07-05T05:34:00.472639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d55d8fea3a75d5f5e89d0448571e5da5e32a0d26e32505f55757848e42a8229

Aliases

arxiv: 2205.01740 · arxiv_version: 2205.01740v2 · doi: 10.48550/arxiv.2205.01740 · pith_short_12: FVK5R7VDU5OV · pith_short_16: FVK5R7VDU5OV6XUJ · pith_short_8: FVK5R7VD

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/FVK5R7VDU5OV6XUJ2BCIK4PF3J \
  | 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: 2d55d8fea3a75d5f5e89d0448571e5da5e32a0d26e32505f55757848e42a8229

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26fcbeb58ac5c6de6d8ca21e34b952afacf21f6b0a98d1872e1eb175dc325858",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-05-03T19:25:08Z",
    "title_canon_sha256": "17b55b4832a3d7fc6e6e07c1abe40bcb4fa52a597067ed1cd65397786806024a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.01740",
    "kind": "arxiv",
    "version": 2
  }
}