Pith Number

pith:ULKXXAEM

pith:2011:ULKXXAEME2PUMZX4IYWB26OT2J

not attested not anchored not stored refs pending

Singularities Motion Equations in 2-Dimensional Ideal Hydrodynamics of Incompressible Fluid

A. V. Tur, K. N. Kulik, V. V. Yanovsky

arxiv:1112.2862 v1 · 2011-12-13 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULKXXAEME2PUMZX4IYWB26OT2J}

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	2026-05-18T01:59:10.980132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2d57b808c269f4666fc462c1d79d3d266870888c7666f5a28b11dfe9812360a

Aliases

arxiv: 1112.2862 · arxiv_version: 1112.2862v1 · doi: 10.48550/arxiv.1112.2862 · pith_short_12: ULKXXAEME2PU · pith_short_16: ULKXXAEME2PUMZX4 · pith_short_8: ULKXXAEM

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/ULKXXAEME2PUMZX4IYWB26OT2J \
  | 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: a2d57b808c269f4666fc462c1d79d3d266870888c7666f5a28b11dfe9812360a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "821868091c841c61c17a87c294720a8d7704db118be1e48cfdb5b2650a889f55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2011-12-13T11:20:04Z",
    "title_canon_sha256": "fa4df8fd717ec0467b984fc12b11ca278ed649ab185a0411b8fda6b872647281"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2862",
    "kind": "arxiv",
    "version": 1
  }
}