Pith Number

pith:ZLH4XPK3

pith:2012:ZLH4XPK3NNB736D6JC2OFUZD6M

not attested not anchored not stored refs pending

Planetesimal Formation In Self-Gravitating Discs

G. R. Mamatsashvili, P. G. Gibbons, W. K. M. Rice

arxiv:1207.4677 v1 · 2012-07-19 · 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{ZLH4XPK3NNB736D6JC2OFUZD6M}

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	2026-05-18T01:56:16.254504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cacfcbbd5b6b43fdf87e48b4e2d323f31bed6619231322aca41aff4e7bab5619

Aliases

arxiv: 1207.4677 · arxiv_version: 1207.4677v1 · doi: 10.48550/arxiv.1207.4677 · pith_short_12: ZLH4XPK3NNB7 · pith_short_16: ZLH4XPK3NNB736D6 · pith_short_8: ZLH4XPK3

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/ZLH4XPK3NNB736D6JC2OFUZD6M \
  | 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: cacfcbbd5b6b43fdf87e48b4e2d323f31bed6619231322aca41aff4e7bab5619

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7294c42fa865de45cdb88d9ecd7bfd39a3b964ceb763734569387514051f1db7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-07-19T14:10:31Z",
    "title_canon_sha256": "a42b3cedb5b893da2614887e80506331b956acc51ac7eff0b4983c8b5295b135"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4677",
    "kind": "arxiv",
    "version": 1
  }
}