Pith Number

pith:JUJKFL5Z

pith:2022:JUJKFL5ZBBH65CYFWEGKOXZENR

not attested not anchored not stored refs pending

Laboratory and astronomical discovery of magnesium dicarbide, MgC$_2$

B. Tercero, C. Cabezas, H. Gupta, J. Cernicharo, J. R. Pardo, M. Ag\'undez, M. C. McCarthy, M. Gu\'elin, P. B. Changala

arxiv:2210.17348 v1 · 2022-10-31 · astro-ph.SR · astro-ph.GA · physics.atm-clus · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JUJKFL5ZBBH65CYFWEGKOXZENR}

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	2026-07-05T05:22:59.206198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d12a2afb9084fee8b05b10ca75f246c4bc896a6931a0411976769939ee87ab5

Aliases

arxiv: 2210.17348 · arxiv_version: 2210.17348v1 · doi: 10.48550/arxiv.2210.17348 · pith_short_12: JUJKFL5ZBBH6 · pith_short_16: JUJKFL5ZBBH65CYF · pith_short_8: JUJKFL5Z

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/JUJKFL5ZBBH65CYFWEGKOXZENR \
  | 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: 4d12a2afb9084fee8b05b10ca75f246c4bc896a6931a0411976769939ee87ab5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcaf9c4fc71c755a3d9bc32a44aa0f4e98f38d826499fbed6a103f556686b796",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "physics.atm-clus",
      "physics.chem-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-10-31T14:16:50Z",
    "title_canon_sha256": "1a8c888a3053a3546fb15a19238bfc2754891e960886c337c2e6145506e78046"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.17348",
    "kind": "arxiv",
    "version": 1
  }
}