Pith Number

pith:3HA4S5BP

pith:2017:3HA4S5BPS47ND6OTA7CQDDHN7A

not attested not anchored not stored refs pending

Ejection of rocky and icy material from binary star systems: Implications for the origin and composition of 1I/`Oumuamua

Alan P. Jackson, Daniel Tamayo, Hanno Rein, Mohamad Ali-Dib, Noah Hammond

arxiv:1712.04435 v2 · 2017-12-12 · 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{3HA4S5BPS47ND6OTA7CQDDHN7A}

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.

Cited by

1 paper in Pith

The Natural History of 'Oumuamua

Receipt and verification

First computed	2026-05-18T00:19:53.280382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9c1c9742f973ed1f9d307c5018cedf800753e7de79e2aa658dd485df2e4bd57

Aliases

arxiv: 1712.04435 · arxiv_version: 1712.04435v2 · doi: 10.48550/arxiv.1712.04435 · pith_short_12: 3HA4S5BPS47N · pith_short_16: 3HA4S5BPS47ND6OT · pith_short_8: 3HA4S5BP

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/3HA4S5BPS47ND6OTA7CQDDHN7A \
  | 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: d9c1c9742f973ed1f9d307c5018cedf800753e7de79e2aa658dd485df2e4bd57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf1ae9238092fa2175587e6681ddebd2b5cc681e1b62d49d11a5d9a25da97de3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-12-12T18:47:47Z",
    "title_canon_sha256": "9b31b89af52a4b757c3636acfd5c206b349a3d6809be5ff2b88e7e830396b3d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04435",
    "kind": "arxiv",
    "version": 2
  }
}