Pith Number

pith:DAQLMX6Q

pith:2016:DAQLMX6QR4TDHH6RS56DTSIVY6

not attested not anchored not stored refs pending

Co-Poisson structures on polynomial Hopf algebras

Qi Lou, Quanshui Wu

arxiv:1601.04269 v2 · 2016-01-17 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DAQLMX6QR4TDHH6RS56DTSIVY6}

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	2026-05-18T00:46:55.861641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1820b65fd08f26339fd1977c39c915c7995f34a5d8969b36fef86ea421a4b036

Aliases

arxiv: 1601.04269 · arxiv_version: 1601.04269v2 · doi: 10.48550/arxiv.1601.04269 · pith_short_12: DAQLMX6QR4TD · pith_short_16: DAQLMX6QR4TDHH6R · pith_short_8: DAQLMX6Q

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/DAQLMX6QR4TDHH6RS56DTSIVY6 \
  | 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: 1820b65fd08f26339fd1977c39c915c7995f34a5d8969b36fef86ea421a4b036

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf5cff0280df374db5dccf1e5ace106348fe97fa3450ab598d965fb855a32115",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2016-01-17T10:21:40Z",
    "title_canon_sha256": "fef68eb91d2a9812e4b7b3a4e6a298ad1ad026037ebeb5b536146f5f8f16b156"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.04269",
    "kind": "arxiv",
    "version": 2
  }
}