Pith Number

pith:VBVROVSA

pith:2022:VBVROVSAYHXRP43IMKQLGCYLH7

not attested not anchored not stored refs pending

TEM analyses of in situ presolar grains from unequilibrated ordinary chondrite LL3.0 Semarkona

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

arxiv:2205.04372 v1 · 2022-05-09 · astro-ph.EP · physics.chem-ph · 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{VBVROVSAYHXRP43IMKQLGCYLH7}

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	2026-07-05T04:29:59.134209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a86b175640c1ef17f36862a0b30b0b3fd97fcee184f7231f3a08478d246668b2

Aliases

arxiv: 2205.04372 · arxiv_version: 2205.04372v1 · doi: 10.48550/arxiv.2205.04372 · pith_short_12: VBVROVSAYHXR · pith_short_16: VBVROVSAYHXRP43I · pith_short_8: VBVROVSA

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/VBVROVSAYHXRP43IMKQLGCYLH7 \
  | 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: a86b175640c1ef17f36862a0b30b0b3fd97fcee184f7231f3a08478d246668b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "479747240544a40a673be7185c6edffb8bc3ac0409eb0d36c6c7b1682ce31efc",
    "cross_cats_sorted": [
      "physics.chem-ph",
      "physics.geo-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-05-09T15:25:27Z",
    "title_canon_sha256": "e21f95315c04e5fe0e9d2ba4f1e3f288c450f1d25298f0c2e0ef25d12b3921df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.04372",
    "kind": "arxiv",
    "version": 1
  }
}