Pith Number

pith:2WXRQIO5

pith:2015:2WXRQIO5ERBKC6QTA757QTFT5D

not attested not anchored not stored refs pending

Shear flows of an ideal fluid and elliptic equations in unbounded domains

Fran\c{c}ois Hamel (I2M), Nikolai Nadirashvili (I2M)

arxiv:1509.04463 v1 · 2015-09-15 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2WXRQIO5ERBKC6QTA757QTFT5D}

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	2026-05-18T01:32:58.862274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5af1821dd2442a17a1307fbf84cb3e8f9de37f34de8552f0f5d1c5a27fe081d

Aliases

arxiv: 1509.04463 · arxiv_version: 1509.04463v1 · doi: 10.48550/arxiv.1509.04463 · pith_short_12: 2WXRQIO5ERBK · pith_short_16: 2WXRQIO5ERBKC6QT · pith_short_8: 2WXRQIO5

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/2WXRQIO5ERBKC6QTA757QTFT5D \
  | 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: d5af1821dd2442a17a1307fbf84cb3e8f9de37f34de8552f0f5d1c5a27fe081d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdc9d281226257e94fd6eb9734fbc64bdff17f50a9b6fd2b6845b57e65a93a21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-09-15T09:34:18Z",
    "title_canon_sha256": "45b92253f35cc06f1c1058a9880fab946d6069b17595a5fd3a7d86a31f817931"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04463",
    "kind": "arxiv",
    "version": 1
  }
}