Pith Number

pith:QZSGKXNP

pith:2019:QZSGKXNPR2PEULLVMFNNLFSMC5

not attested not anchored not stored refs pending

The Concentration and Growth of Solids in Fragmenting Circumstellar Disks

Hans Baehr, Hubert Klahr

arxiv:1907.01290 v1 · 2019-07-02 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QZSGKXNPR2PEULLVMFNNLFSMC5}

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	2026-07-04T23:59:23.027231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8664655daf8e9e4a2d75615ad5964c175b24953369d8f7dbaba04f651d0b149c

Aliases

arxiv: 1907.01290 · arxiv_version: 1907.01290v1 · doi: 10.48550/arxiv.1907.01290 · pith_short_12: QZSGKXNPR2PE · pith_short_16: QZSGKXNPR2PEULLV · pith_short_8: QZSGKXNP

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/QZSGKXNPR2PEULLVMFNNLFSMC5 \
  | 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: 8664655daf8e9e4a2d75615ad5964c175b24953369d8f7dbaba04f651d0b149c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20a2029cd9be5d219b40ea5bcfea728c6ee55115a957a25ddf3fddb2e3ab6cac",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-07-02T10:37:06Z",
    "title_canon_sha256": "144ad07d61887d072aa2d56e2369e9ffa6d7e5183cb2bfad0316ef1bef332e34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01290",
    "kind": "arxiv",
    "version": 1
  }
}