Pith Number

pith:S4XFSLVP

pith:2012:S4XFSLVPJUB6CRJX354FLAR3JW

not attested not anchored not stored refs pending

Breaking through: The effects of a velocity distribution on barriers to dust growth

Chris Ormel, Cornelis P. Dullemond, Fredrik Windmark, Til Birnstiel

arxiv:1208.0304 v1 · 2012-08-01 · 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{S4XFSLVPJUB6CRJX354FLAR3JW}

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	2026-05-18T01:55:24.252926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

972e592eaf4d03e14537df7855823b4d812f9b558122b8a604face3d50c157cc

Aliases

arxiv: 1208.0304 · arxiv_version: 1208.0304v1 · doi: 10.48550/arxiv.1208.0304 · pith_short_12: S4XFSLVPJUB6 · pith_short_16: S4XFSLVPJUB6CRJX · pith_short_8: S4XFSLVP

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/S4XFSLVPJUB6CRJX354FLAR3JW \
  | 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: 972e592eaf4d03e14537df7855823b4d812f9b558122b8a604face3d50c157cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec93557da9e13e0fd62eaa5baf7302b6f227584934fce60e7a1b6adecad731da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-08-01T18:09:03Z",
    "title_canon_sha256": "b09d2ff9afa23889601c653adcdcd971e4f24fffc8ffcbfdd11208b37df02ec3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0304",
    "kind": "arxiv",
    "version": 1
  }
}