Pith Number

pith:E7WEK2F3

pith:2017:E7WEK2F3WHDGWQM4A62446NNEG

not attested not anchored not stored refs pending

Growing into and out of the bouncing barrier in planetesimal formation

Gerhard Wurm, Jens Teiser, Maximilian Kruss

arxiv:1703.07124 v1 · 2017-03-21 · 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{E7WEK2F3WHDGWQM4A62446NNEG}

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	2026-05-18T00:46:34.443165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27ec4568bbb1c66b419c07b5ce79ad2184c80766b145ac7f1856775a3ca1d44e

Aliases

arxiv: 1703.07124 · arxiv_version: 1703.07124v1 · doi: 10.48550/arxiv.1703.07124 · pith_short_12: E7WEK2F3WHDG · pith_short_16: E7WEK2F3WHDGWQM4 · pith_short_8: E7WEK2F3

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/E7WEK2F3WHDGWQM4A62446NNEG \
  | 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: 27ec4568bbb1c66b419c07b5ce79ad2184c80766b145ac7f1856775a3ca1d44e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4fb5d025b770afe87c3464058a3b713e0fecda48f2c2b1163c6f15b2c7962ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-03-21T10:12:40Z",
    "title_canon_sha256": "2942bdbf7fb3235d1f91f58d0a382e532cfea605537f5f524420efbdf614cc1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07124",
    "kind": "arxiv",
    "version": 1
  }
}