Pith Number

pith:LWUJZ5CK

pith:2017:LWUJZ5CKCPMJ6VXBWO62JMNO6F

not attested not anchored not stored refs pending

Tautological ring of strata of differentials

Dawei Chen

arxiv:1708.00519 v1 · 2017-08-01 · math.AG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LWUJZ5CKCPMJ6VXBWO62JMNO6F}

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	2026-05-18T00:38:45.538556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5da89cf44a13d89f56e1b3bda4b1aef14175eb4796bb9e0ab98ecaa2827357df

Aliases

arxiv: 1708.00519 · arxiv_version: 1708.00519v1 · doi: 10.48550/arxiv.1708.00519 · pith_short_12: LWUJZ5CKCPMJ · pith_short_16: LWUJZ5CKCPMJ6VXB · pith_short_8: LWUJZ5CK

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/LWUJZ5CKCPMJ6VXBWO62JMNO6F \
  | 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: 5da89cf44a13d89f56e1b3bda4b1aef14175eb4796bb9e0ab98ecaa2827357df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12bd3490a83c5bd214980b8cf17c4c1627f0237ec5ad478480fde30a9e3cd06c",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-08-01T21:12:19Z",
    "title_canon_sha256": "08cd72034d6d79e1a08eb9bf2723e1ed4a6771a65213dda0ee9e97469a59755e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00519",
    "kind": "arxiv",
    "version": 1
  }
}