Pith Number

pith:44BAJRK7

pith:2018:44BAJRK7R455M5XSDFRWJQOAHW

not attested not anchored not stored refs pending

Hamiltonian hydrodynamics of eccentric discs

Elliot M. Lynch, Gordon I. Ogilvie

arxiv:1812.05942 v1 · 2018-12-14 · 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{44BAJRK7R455M5XSDFRWJQOAHW}

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	2026-05-17T23:56:44.563093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e70204c55f8f3bd676f2196364c1c03db29bb692403de9411add3230e89c5a49

Aliases

arxiv: 1812.05942 · arxiv_version: 1812.05942v1 · doi: 10.48550/arxiv.1812.05942 · pith_short_12: 44BAJRK7R455 · pith_short_16: 44BAJRK7R455M5XS · pith_short_8: 44BAJRK7

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/44BAJRK7R455M5XSDFRWJQOAHW \
  | 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: e70204c55f8f3bd676f2196364c1c03db29bb692403de9411add3230e89c5a49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b848824d1420288482423744b98a8d5dcfdf18e25a85f473c915a63b2685d67b",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-12-14T14:06:19Z",
    "title_canon_sha256": "8dd6fdd9f805d0b8e455807ce74ca7ffaf0cad1c2b050bc5b8ca90bacc1a640f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05942",
    "kind": "arxiv",
    "version": 1
  }
}