Pith Number

pith:N7KX7HZ4

pith:2016:N7KX7HZ4ABHGWD5PBMPTQ4RZJ6

not attested not anchored not stored refs pending

Dust Evolution and the Formation of Planetesimals

A. Johansen, M. Fang, T. Birnstiel

arxiv:1604.02952 v2 · 2016-04-11 · 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{N7KX7HZ4ABHGWD5PBMPTQ4RZJ6}

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	2026-05-18T01:14:35.388943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fd57f9f3c004e6b0faf0b1f3872394fb90d0bec527abd8f03ff7fe409891392

Aliases

arxiv: 1604.02952 · arxiv_version: 1604.02952v2 · doi: 10.48550/arxiv.1604.02952 · pith_short_12: N7KX7HZ4ABHG · pith_short_16: N7KX7HZ4ABHGWD5P · pith_short_8: N7KX7HZ4

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/N7KX7HZ4ABHGWD5PBMPTQ4RZJ6 \
  | 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: 6fd57f9f3c004e6b0faf0b1f3872394fb90d0bec527abd8f03ff7fe409891392

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45e5620dc86da859a014c9e03705df2a5c33f8952a77572a392fd7232402223a",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-04-11T13:47:30Z",
    "title_canon_sha256": "d49b2363f62968f748aa99c7b4345ed7e4fd898384c621a50d1c46373ee72453"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02952",
    "kind": "arxiv",
    "version": 2
  }
}