Pith Number

pith:EWDYNSIO

pith:2017:EWDYNSIOX2SDPARRUB3WM2FGYD

not attested not anchored not stored refs pending

Smooth and Rough Positive Currents

Simion Filip, Valentino Tosatti

arxiv:1709.05385 v4 · 2017-09-15 · math.CV · math.AG · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EWDYNSIOX2SDPARRUB3WM2FGYD}

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	2026-05-17T23:44:00.244564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

258786c90ebea4378231a0776668a6c0f318a4fbb5abc3ef040427420b306b77

Aliases

arxiv: 1709.05385 · arxiv_version: 1709.05385v4 · doi: 10.48550/arxiv.1709.05385 · pith_short_12: EWDYNSIOX2SD · pith_short_16: EWDYNSIOX2SDPARR · pith_short_8: EWDYNSIO

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/EWDYNSIOX2SDPARRUB3WM2FGYD \
  | 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: 258786c90ebea4378231a0776668a6c0f318a4fbb5abc3ef040427420b306b77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c8965e6761c052c92bb9f951fde9a515f2c25647325b1f635d68c00ff31e4ea",
    "cross_cats_sorted": [
      "math.AG",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-09-15T20:11:35Z",
    "title_canon_sha256": "f0045569adcf6425294051c1f0e39f74dc1be0eed98a4e0277d2ab9927eb5f85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05385",
    "kind": "arxiv",
    "version": 4
  }
}