Pith Number

pith:KG2QZYLI

pith:2017:KG2QZYLIXH4I6MBDIJALO7CQAK

not attested not anchored not stored refs pending

Planetesimal formation by the streaming instability in a photoevaporating disk

Anders Johansen, Daniel Carrera, Melvyn B. Davies, Uma Gorti

arxiv:1703.07895 v1 · 2017-03-23 · 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{KG2QZYLIXH4I6MBDIJALO7CQAK}

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	2026-05-18T00:46:12.119584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51b50ce168b9f88f30234240b77c500287ac9b37ed8e0b596c45c8b4be8184f8

Aliases

arxiv: 1703.07895 · arxiv_version: 1703.07895v1 · doi: 10.48550/arxiv.1703.07895 · pith_short_12: KG2QZYLIXH4I · pith_short_16: KG2QZYLIXH4I6MBD · pith_short_8: KG2QZYLI

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/KG2QZYLIXH4I6MBDIJALO7CQAK \
  | 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: 51b50ce168b9f88f30234240b77c500287ac9b37ed8e0b596c45c8b4be8184f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75da48821496fdb7b8f05c6c3cbec5b1d9f8d6ad2e6d8335019c85a0d24c9afd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-03-23T00:21:54Z",
    "title_canon_sha256": "dd3b088d227fedbe578e28f04afcc3f435dafbfdd1f87857a7611f95b68932d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07895",
    "kind": "arxiv",
    "version": 1
  }
}