Pith Number

pith:76V3INB3

pith:2021:76V3INB3XOUNEJTNTFY2OJEARM

not attested not anchored not stored refs pending

SPLUSJ210428.01-004934.2: An Ultra Metal-Poor Star Identified from Narrowband Photometry

Antonio Kanaan, Fabio R. Herpich, Felipe Almeida-Fernandes, Helio D. Perottoni, Ian U. Roederer, Tiago Ribeiro, Vinicius M. Placco, William Schoenell, Young Sun Lee

arxiv:2105.04573 v1 · 2021-05-10 · astro-ph.SR · 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{76V3INB3XOUNEJTNTFY2OJEARM}

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	2026-07-05T02:41:21.112731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffabb4343bbba8d2266d9971a724808b31a5542c5736524f6ead8ed76853d9c1

Aliases

arxiv: 2105.04573 · arxiv_version: 2105.04573v1 · doi: 10.48550/arxiv.2105.04573 · pith_short_12: 76V3INB3XOUN · pith_short_16: 76V3INB3XOUNEJTN · pith_short_8: 76V3INB3

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/76V3INB3XOUNEJTNTFY2OJEARM \
  | 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: ffabb4343bbba8d2266d9971a724808b31a5542c5736524f6ead8ed76853d9c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e1c7181b0bc554b01ed5e46af93ed5c39a0f746fb73b7c9dd30049d55b461b7",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-05-10T18:00:03Z",
    "title_canon_sha256": "97b73ce28e66913fc747251d088a219ad29b79724748f6102e6c139883b51087"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.04573",
    "kind": "arxiv",
    "version": 1
  }
}