Pith Number

pith:36HAOKA4

pith:2021:36HAOKA4MNX52USP2GST724ZIA

not attested not anchored not stored refs pending

Protoplanet Collisions: Statistical Properties of Ejecta

Christoph M. Sch\"afer, Ian Dobbs-Dixon, Nader Haghighipour, Nikolaos Georgakarakos, Philip Matthias Winter, Samuele Crespi, Thomas I. Maindl

arxiv:2110.02977 v1 · 2021-10-06 · 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{36HAOKA4MNX52USP2GST724ZIA}

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	2026-07-05T03:23:52.160895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df8e07281c636fdd524fd1a53feb99401172c757ddb1e45263f0aebbb44fc8b2

Aliases

arxiv: 2110.02977 · arxiv_version: 2110.02977v1 · doi: 10.48550/arxiv.2110.02977 · pith_short_12: 36HAOKA4MNX5 · pith_short_16: 36HAOKA4MNX52USP · pith_short_8: 36HAOKA4

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/36HAOKA4MNX52USP2GST724ZIA \
  | 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: df8e07281c636fdd524fd1a53feb99401172c757ddb1e45263f0aebbb44fc8b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5e94e20adc9600edd401e9a82a43b7cc97f7de69f9b63a1a2c6fc6bc3c8af79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-10-06T18:00:07Z",
    "title_canon_sha256": "2dadf4df59906126e71213be0f15464f1867f219557e1368b729fe873cc5ba93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.02977",
    "kind": "arxiv",
    "version": 1
  }
}