Pith Number

pith:AQFXEP4I

pith:2018:AQFXEP4I5JPPSDHBCXTXIQKDA6

not attested not anchored not stored refs pending

Signature of Planetary Mergers on Stellar Spins

Ahmed Qureshi, Evgenya Shkolnik, Smadar Naoz

arxiv:1802.08260 v2 · 2018-02-22 · astro-ph.SR · 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{AQFXEP4I5JPPSDHBCXTXIQKDA6}

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	2026-05-18T00:06:40.626221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

040b723f88ea5ef90ce115e774414307a6644877b0da6551ad89a538c6a7616c

Aliases

arxiv: 1802.08260 · arxiv_version: 1802.08260v2 · doi: 10.48550/arxiv.1802.08260 · pith_short_12: AQFXEP4I5JPP · pith_short_16: AQFXEP4I5JPPSDHB · pith_short_8: AQFXEP4I

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/AQFXEP4I5JPPSDHBCXTXIQKDA6 \
  | 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: 040b723f88ea5ef90ce115e774414307a6644877b0da6551ad89a538c6a7616c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cd4908576466f9656dee5672bd5147c480e737ca8ea51c7dd904531ef20cd7a",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-22T19:00:01Z",
    "title_canon_sha256": "18af89cb37b9dda2138403fdf5153413f1b80566c30a0daad44ca62e67119a0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08260",
    "kind": "arxiv",
    "version": 2
  }
}