Pith Number

pith:7I5ES3YQ

pith:2019:7I5ES3YQDZYCZE6GUFOQIDUKDR

not attested not anchored not stored refs pending

The fate of planetesimal discs in young open clusters: implications for 1I/'Oumuamua, the Kuiper belt, the Oort cloud and more

Amery Gration, Ben Moore, Joachim Stadel, Thomas Oliver Hands, Walter Dehnen

arxiv:1901.02465 v2 · 2019-01-08 · 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{7I5ES3YQDZYCZE6GUFOQIDUKDR}

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	2026-05-17T23:47:26.675757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa3a496f101e702c93c6a15d040e8a1c5c926d0b7797a5aedd876901d0eaacc5

Aliases

arxiv: 1901.02465 · arxiv_version: 1901.02465v2 · doi: 10.48550/arxiv.1901.02465 · pith_short_12: 7I5ES3YQDZYC · pith_short_16: 7I5ES3YQDZYCZE6G · pith_short_8: 7I5ES3YQ

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/7I5ES3YQDZYCZE6GUFOQIDUKDR \
  | 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: fa3a496f101e702c93c6a15d040e8a1c5c926d0b7797a5aedd876901d0eaacc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07db6266dc5d12df38a489bc13895c2cef8455ac904df0daa2dbe27b36f61ecd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-01-08T19:00:04Z",
    "title_canon_sha256": "a904dc8e72dd53f31cf16023d87ed66873417286ddf5bf98f42d831f3646f5b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02465",
    "kind": "arxiv",
    "version": 2
  }
}