Pith Number

pith:Y3RUATVR

pith:2019:Y3RUATVRDFB27SD2WDBKNIFNSB

not attested not anchored not stored refs pending

On the universality of the incompressible Euler equation on compact manifolds, II. Non-rigidity of Euler flows

Terence Tao

arxiv:1902.06313 v2 · 2019-02-17 · math.AP

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

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	2026-05-17T23:49:50.046860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6e3404eb11943afc87ab0c2a6a0ad9064fcfd324021a069f7b78854504ac217

Aliases

arxiv: 1902.06313 · arxiv_version: 1902.06313v2 · doi: 10.48550/arxiv.1902.06313 · pith_short_12: Y3RUATVRDFB2 · pith_short_16: Y3RUATVRDFB27SD2 · pith_short_8: Y3RUATVR

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/Y3RUATVRDFB27SD2WDBKNIFNSB \
  | 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: c6e3404eb11943afc87ab0c2a6a0ad9064fcfd324021a069f7b78854504ac217

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6affc81f65e14776fc5a7f5fd89924acb0f2e03b66bd8a9823da4092f76b5b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-02-17T19:52:33Z",
    "title_canon_sha256": "1848a3e1fee3be19908f2926770fbb1c236d054c1520b5ffa424761f71324d0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06313",
    "kind": "arxiv",
    "version": 2
  }
}