Pith Number

pith:PHYKXJUQ

pith:2018:PHYKXJUQK3I3JWLPMPX3H35577

not attested not anchored not stored refs pending

Supersymmetry and cohomology of graph complexes

Serguei Barannikov

arxiv:1803.11549 v2 · 2018-03-30 · 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{PHYKXJUQK3I3JWLPMPX3H35577}

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	2026-05-18T00:05:14.181184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79f0aba69056d1b4d96f63efb3efbdffd2d81881c25356405203402aa0436961

Aliases

arxiv: 1803.11549 · arxiv_version: 1803.11549v2 · doi: 10.48550/arxiv.1803.11549 · pith_short_12: PHYKXJUQK3I3 · pith_short_16: PHYKXJUQK3I3JWLP · pith_short_8: PHYKXJUQ

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/PHYKXJUQK3I3JWLPMPX3H35577 \
  | 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: 79f0aba69056d1b4d96f63efb3efbdffd2d81881c25356405203402aa0436961

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ec303b6e26183b9f175b15336ca3d3882341dccd563b4201a33c5b34f531a7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2018-03-30T17:39:25Z",
    "title_canon_sha256": "cb5b156bef9060ab2aeb46e7fae2ce0cd9d1dc717bf1d80068c19625bc96b4d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.11549",
    "kind": "arxiv",
    "version": 2
  }
}