Pith Number

pith:STKKFDKW

pith:2006:STKKFDKWWOCY6RD63WPIHZ22EH

not attested not anchored not stored refs pending

On The Formality Theorem for the Differential Graded Lie Algebra of Drinfeld

PoNing Chen

arxiv:math/0601055 v2 · 2006-01-04 · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{STKKFDKWWOCY6RD63WPIHZ22EH}

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	2026-05-18T04:39:59.936630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94d4a28d56b3858f447edd9e83e75a21f09e19f77c77886bf276bf1044a45fee

Aliases

arxiv: math/0601055 · arxiv_version: math/0601055v2 · doi: 10.48550/arxiv.math/0601055 · pith_short_12: STKKFDKWWOCY · pith_short_16: STKKFDKWWOCY6RD6 · pith_short_8: STKKFDKW

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/STKKFDKWWOCY6RD63WPIHZ22EH \
  | 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: 94d4a28d56b3858f447edd9e83e75a21f09e19f77c77886bf276bf1044a45fee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb516fe373182cae0fc05171acd22b8d4933e6520b5c04258dc6857c1397c678",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2006-01-04T01:34:28Z",
    "title_canon_sha256": "fd2acc04f52d2ac2e03f2d807e4cc0c101730be0567f641b98ade18897c56e29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0601055",
    "kind": "arxiv",
    "version": 2
  }
}