Pith Number

pith:NRSMQO2X

pith:2019:NRSMQO2XDMP4SPOWBHEI5JTSPK

not attested not anchored not stored refs pending

Super-Earth ingestion can explain the anomalously high metal abundances of M67 Y2235

Alexander J. Mustill, Fan Liu, Ross P. Church

arxiv:1908.06988 v1 · 2019-08-19 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NRSMQO2XDMP4SPOWBHEI5JTSPK}

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	2026-07-05T00:31:15.967741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c64c83b571b1fc93dd609c88ea6727a895f685b0bffde484634cc22bc1f7f6b

Aliases

arxiv: 1908.06988 · arxiv_version: 1908.06988v1 · doi: 10.48550/arxiv.1908.06988 · pith_short_12: NRSMQO2XDMP4 · pith_short_16: NRSMQO2XDMP4SPOW · pith_short_8: NRSMQO2X

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/NRSMQO2XDMP4SPOWBHEI5JTSPK \
  | 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: 6c64c83b571b1fc93dd609c88ea6727a895f685b0bffde484634cc22bc1f7f6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8b6ced7a94aa0ef7f4d1b8e5bc706a9c9098a0f79e7ef84f6aba80e85d10fea",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-19T18:00:02Z",
    "title_canon_sha256": "9f4ae976a65f1800b3c89dcfb5d67e366f660c5a3553797544fbdc39be2bacd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06988",
    "kind": "arxiv",
    "version": 1
  }
}