Pith Number

pith:B2IKIH4G

pith:2022:B2IKIH4GU4X53A2NDWBIMC4DFH

not attested not anchored not stored refs pending

Elemental abundances in M31: Individual and Coadded Spectroscopic [Fe/H] and [{\alpha}/Fe] throughout the M31 Halo with SPLASH

Evan N. Kirby, Ivanna Escala, Jason Kalirai, J. Leigh Wojno, Karoline M. Gilbert, Masashi Chiba, Puragra Guhathakurta, Rachael L. Beaton, Steven R. Majewski

arxiv:2211.15288 v1 · 2022-11-28 · 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{B2IKIH4GU4X53A2NDWBIMC4DFH}

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	2026-07-05T06:27:28.141497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e90a41f86a72fdd834d1d82860b8329d24c60b1eb9373d9b798ce8f0cb6a978

Aliases

arxiv: 2211.15288 · arxiv_version: 2211.15288v1 · doi: 10.48550/arxiv.2211.15288 · pith_short_12: B2IKIH4GU4X5 · pith_short_16: B2IKIH4GU4X53A2N · pith_short_8: B2IKIH4G

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/B2IKIH4GU4X53A2NDWBIMC4DFH \
  | 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: 0e90a41f86a72fdd834d1d82860b8329d24c60b1eb9373d9b798ce8f0cb6a978

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4faf5e1fcf3948a513ae3d017cf2883607b11a3b417c68e51f3b750be65f31d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-11-28T13:22:40Z",
    "title_canon_sha256": "9ea3d0fb7bf67a7a8465d30e239ef6756c418eda06b310fbb1617f1f13753035"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.15288",
    "kind": "arxiv",
    "version": 1
  }
}