Pith Number

pith:UUWHZYZB

pith:2016:UUWHZYZBMHBKK33LUJPZF2OE7C

not attested not anchored not stored refs pending

Spin and hyperelliptic structures of log twisted differentials

Dawei Chen, Qile Chen

arxiv:1610.05345 v1 · 2016-10-17 · 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{UUWHZYZBMHBKK33LUJPZF2OE7C}

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	2026-05-18T01:01:59.596033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a52c7ce32161c2a56f6ba25f92e9c4f896fd9d6dd020921e3968f59dfc629611

Aliases

arxiv: 1610.05345 · arxiv_version: 1610.05345v1 · doi: 10.48550/arxiv.1610.05345 · pith_short_12: UUWHZYZBMHBK · pith_short_16: UUWHZYZBMHBKK33L · pith_short_8: UUWHZYZB

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/UUWHZYZBMHBKK33LUJPZF2OE7C \
  | 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: a52c7ce32161c2a56f6ba25f92e9c4f896fd9d6dd020921e3968f59dfc629611

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d53f89269fd86835e5ea8e0e20aeac3488775114d593f8bc548315193cebf71",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-10-17T20:33:28Z",
    "title_canon_sha256": "03f4b0bebc3d5d91064c22e2063eb9f274f1c5e2bdf73fcb0e81706950da6d7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05345",
    "kind": "arxiv",
    "version": 1
  }
}