Pith Number

pith:HH26OASV

pith:2012:HH26OASV5AUCCJDZ47LD3UUDSY

not attested not anchored not stored refs pending

Equivariant topological complexity

Hellen Colman, Mark Grant

arxiv:1205.0166 v2 · 2012-05-01 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HH26OASV5AUCCJDZ47LD3UUDSY}

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	2026-05-18T02:41:43.199527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39f5e70255e828212479e7d63dd283963bc10258c8a8acc6d95bf8a691611c2e

Aliases

arxiv: 1205.0166 · arxiv_version: 1205.0166v2 · doi: 10.48550/arxiv.1205.0166 · pith_short_12: HH26OASV5AUC · pith_short_16: HH26OASV5AUCCJDZ · pith_short_8: HH26OASV

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/HH26OASV5AUCCJDZ47LD3UUDSY \
  | 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: 39f5e70255e828212479e7d63dd283963bc10258c8a8acc6d95bf8a691611c2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7296340ed6a0f3c2415b0caccccaa69b41799074748e111d8ed93f08b5c7a282",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2012-05-01T14:20:06Z",
    "title_canon_sha256": "61241c0e964c4f97de7336ab6c73c3abc6fc19bb761b1abe6152384ece52c3ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0166",
    "kind": "arxiv",
    "version": 2
  }
}