Pith Number

pith:MUMUQGOH

pith:2023:MUMUQGOHRSF4DNPCTGD4VRZRE7

not attested not anchored not stored refs pending

Investigating APOKASC Red Giant Stars with Abnormal Carbon to Nitrogen Ratios

Daniel Huber, Erica Bufanda, Jamie Tayar, Richard Lane, Sten Hasselquist

arxiv:2310.19872 v1 · 2023-10-30 · 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{MUMUQGOHRSF4DNPCTGD4VRZRE7}

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	2026-07-05T07:07:20.837366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65194819c78c8bc1b5e29987cac73127c852298276b467b5e041d566d02e6742

Aliases

arxiv: 2310.19872 · arxiv_version: 2310.19872v1 · doi: 10.48550/arxiv.2310.19872 · pith_short_12: MUMUQGOHRSF4 · pith_short_16: MUMUQGOHRSF4DNPC · pith_short_8: MUMUQGOH

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/MUMUQGOHRSF4DNPCTGD4VRZRE7 \
  | 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: 65194819c78c8bc1b5e29987cac73127c852298276b467b5e041d566d02e6742

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b83e152c6e16723c8ad92e5ab6d8caf434f288a0164f10e59a3065186cc17b81",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-10-30T18:00:01Z",
    "title_canon_sha256": "99bd1c69fcb19248fc6597068543f8afec5d8065f2035090c7557a5082cc1ef8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.19872",
    "kind": "arxiv",
    "version": 1
  }
}