Pith Number

pith:JLFGEHBG

pith:2023:JLFGEHBGFJTZC52QMO55QRZUOS

not attested not anchored not stored refs pending

Tracing the history of an unusual compound presolar grain from progenitor star to asteroid parent body host

Adrian J. Brearley, Elena Dobrica, Jens Barosch, Larry R. Nittler, Rhonda M. Stroud, Sheryl A. Singerling

arxiv:2301.08228 v1 · 2023-01-19 · astro-ph.EP · astro-ph.SR · physics.geo-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{JLFGEHBGFJTZC52QMO55QRZUOS}

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	2026-07-05T05:44:13.041896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4aca621c262a6791775063bbd8473474a4c60bdf3c2c9c5839f12ee672e7ed42

Aliases

arxiv: 2301.08228 · arxiv_version: 2301.08228v1 · doi: 10.48550/arxiv.2301.08228 · pith_short_12: JLFGEHBGFJTZ · pith_short_16: JLFGEHBGFJTZC52Q · pith_short_8: JLFGEHBG

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/JLFGEHBGFJTZC52QMO55QRZUOS \
  | 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: 4aca621c262a6791775063bbd8473474a4c60bdf3c2c9c5839f12ee672e7ed42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ec3e207858ab40767dabe68372baf1d14d0c2e63f82dab2de2c9bda59f25290",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.geo-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2023-01-19T18:37:22Z",
    "title_canon_sha256": "b42934403d04da893614576a86849b11b87379a305ee5c464d7a94794bb6c115"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.08228",
    "kind": "arxiv",
    "version": 1
  }
}