Pith Number

pith:DAJJFQWB

pith:2018:DAJJFQWBRA4H63ODLI2K2AZX6N

not attested not anchored not stored refs pending

Variational integrator for the rotating shallow-water equations on the sphere

Alexander Bihlo, Fran\c{c}ois Gay-Balmaz, R\"udiger Brecht, Scott MacLachlan, Werner Bauer

arxiv:1808.10507 v2 · 2018-08-30 · math.NA · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DAJJFQWBRA4H63ODLI2K2AZX6N}

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	2026-05-17T23:52:58.867431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

181292c2c188387f6dc35a34ad0337f35ffea4e97e4f93ce6d1d2612bd57ab78

Aliases

arxiv: 1808.10507 · arxiv_version: 1808.10507v2 · doi: 10.48550/arxiv.1808.10507 · pith_short_12: DAJJFQWBRA4H · pith_short_16: DAJJFQWBRA4H63OD · pith_short_8: DAJJFQWB

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/DAJJFQWBRA4H63ODLI2K2AZX6N \
  | 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: 181292c2c188387f6dc35a34ad0337f35ffea4e97e4f93ce6d1d2612bd57ab78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75d9bb14f1049dede045552b64a286ce06ecd71bfa4db2f6e63aecef35155c3f",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-30T20:30:05Z",
    "title_canon_sha256": "e3e30f9fc14a2d686a1030df0fbe38c38b3c7183792bfda0fb9e4c4dce0294f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10507",
    "kind": "arxiv",
    "version": 2
  }
}