Pith Number

pith:YFFD774C

pith:2019:YFFD774CJIE3QQGDZEJKM5VMP7

not attested not anchored not stored refs pending

Oort cloud asteroids: Collisional evolution, the Nice Model, and the Grand Tack

Alan P. Jackson, Andrew Shannon, Mark C. Wyatt

arxiv:1903.03199 v1 · 2019-03-07 · 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{YFFD774CJIE3QQGDZEJKM5VMP7}

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	2026-05-17T23:50:55.225408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c14a3fff824a09b840c3c912a676ac7fd9e6d81fc72ce4cbf994542f5cadc5dd

Aliases

arxiv: 1903.03199 · arxiv_version: 1903.03199v1 · doi: 10.48550/arxiv.1903.03199 · pith_short_12: YFFD774CJIE3 · pith_short_16: YFFD774CJIE3QQGD · pith_short_8: YFFD774C

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/YFFD774CJIE3QQGDZEJKM5VMP7 \
  | 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: c14a3fff824a09b840c3c912a676ac7fd9e6d81fc72ce4cbf994542f5cadc5dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7dfc1dee20da3d6140799599e64c1502fbe1a8ee4ee97603c80a08a98ba359f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-03-07T22:01:36Z",
    "title_canon_sha256": "7cb6b8d3088f8ee1828a2ec43d59ff10351937ce67bd8868de00c48590f843a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03199",
    "kind": "arxiv",
    "version": 1
  }
}