Pith Number

pith:D4KAL52O

pith:2018:D4KAL52OF2R4VG4I2TETJGRNW4

not attested not anchored not stored refs pending

Einstein-Weyl structures on almost cosymplectic manifolds

Xiaomin Chen

arxiv:1801.05533 v2 · 2018-01-17 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D4KAL52OF2R4VG4I2TETJGRNW4}

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	2026-05-18T00:00:08.846259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f1405f74e2ea3ca9b88d4c9349a2db72e0e441308029508470fc94705e8e01d

Aliases

arxiv: 1801.05533 · arxiv_version: 1801.05533v2 · doi: 10.48550/arxiv.1801.05533 · pith_short_12: D4KAL52OF2R4 · pith_short_16: D4KAL52OF2R4VG4I · pith_short_8: D4KAL52O

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/D4KAL52OF2R4VG4I2TETJGRNW4 \
  | 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: 1f1405f74e2ea3ca9b88d4c9349a2db72e0e441308029508470fc94705e8e01d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d57be81941fd9750bd0ec420b0da0a4b14b24e53cbe90dcd2c757c83c058b6c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-01-17T03:05:51Z",
    "title_canon_sha256": "f5be881a89c894117e79a120cf5de4d30feaaa593c5cb96f34e9a8b6cae42a99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05533",
    "kind": "arxiv",
    "version": 2
  }
}