Pith Number

pith:UWSYWEXB

pith:2021:UWSYWEXBECH3SVVRYZQB3ST3OQ

not attested not anchored not stored refs pending

Chemical Tagging N-rich Field Stars with High-resolution Spectroscopy

Baitian Tang, Douglas Geisler, Hongliang Yan, J. G. Fernandez-Trincado, Jincheng Yu, M. Soto

arxiv:2104.04265 v1 · 2021-04-09 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UWSYWEXBECH3SVVRYZQB3ST3OQ}

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	2026-07-05T02:44:57.750390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5a58b12e1208fb956b1c6601dca7b74251af5354e19b0b1b7d8a441e5abd70f

Aliases

arxiv: 2104.04265 · arxiv_version: 2104.04265v1 · doi: 10.48550/arxiv.2104.04265 · pith_short_12: UWSYWEXBECH3 · pith_short_16: UWSYWEXBECH3SVVR · pith_short_8: UWSYWEXB

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/UWSYWEXBECH3SVVRYZQB3ST3OQ \
  | 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: a5a58b12e1208fb956b1c6601dca7b74251af5354e19b0b1b7d8a441e5abd70f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "099c3a106018d27fb32b66ac1b9dcee26b52d3ec5c1cddf8727f6e09a224cd98",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-04-09T09:24:58Z",
    "title_canon_sha256": "8e18950d468b05faff48945c318949bb605fe0bd1e00be2401e606a1145073df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.04265",
    "kind": "arxiv",
    "version": 1
  }
}