Pith Number

pith:JPQSVLGW

pith:2018:JPQSVLGWS4PKEZOA22YEE2JH3J

not attested not anchored not stored refs pending

Shrinking orbits in hierarchical quadruple star systems

Adrian S. Hamers

arxiv:1810.10357 v2 · 2018-10-22 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JPQSVLGWS4PKEZOA22YEE2JH3J}

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	2026-05-18T00:01:26.020621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4be12aacd6971ea265c0d6b0426927da5e9cfeb97e0d383f84d9f73cdb3a591b

Aliases

arxiv: 1810.10357 · arxiv_version: 1810.10357v2 · doi: 10.48550/arxiv.1810.10357 · pith_short_12: JPQSVLGWS4PK · pith_short_16: JPQSVLGWS4PKEZOA · pith_short_8: JPQSVLGW

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/JPQSVLGWS4PKEZOA22YEE2JH3J \
  | 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: 4be12aacd6971ea265c0d6b0426927da5e9cfeb97e0d383f84d9f73cdb3a591b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58ab82a4ae9326d87298ae331034f43f5d2eba193daf4b4ece0f1c01b0dbfcba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-10-22T18:00:09Z",
    "title_canon_sha256": "a780410757535a9e13ff7790f72bfb961fdee6ba4bc5de8b9c92f263c0bdd2ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10357",
    "kind": "arxiv",
    "version": 2
  }
}