Pith Number

pith:W5Z3JKIZ

pith:2011:W5Z3JKIZIC6F55PVA2ID3VYLJK

not attested not anchored not stored refs pending

The final parsec problem: aligning a binary with an external accretion disc

Andrew King, Chris Nixon, Jim Pringle

arxiv:1107.5056 v1 · 2011-07-25 · astro-ph.GA · astro-ph.CO · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W5Z3JKIZIC6F55PVA2ID3VYLJK}

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	2026-05-18T02:01:10.178278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b773b4a91940bc5ef5f506903dd70b4ab03b1e64713f2967e3ba41670a624778

Aliases

arxiv: 1107.5056 · arxiv_version: 1107.5056v1 · doi: 10.48550/arxiv.1107.5056 · pith_short_12: W5Z3JKIZIC6F · pith_short_16: W5Z3JKIZIC6F55PV · pith_short_8: W5Z3JKIZ

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/W5Z3JKIZIC6F55PVA2ID3VYLJK \
  | 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: b773b4a91940bc5ef5f506903dd70b4ab03b1e64713f2967e3ba41670a624778

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "578521425691e0f6afa8f86b219fd9f0f914d4b96bd60343f951b2ac07ad54da",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-07-25T20:03:33Z",
    "title_canon_sha256": "1c0429d7bbad333f7ba6126729eb045bfca26991f5c56cbfa76e26f5c688f058"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5056",
    "kind": "arxiv",
    "version": 1
  }
}