Pith Number

pith:FVJXBHOY

pith:2015:FVJXBHOYIXKPUCSDYHSAFZJBW6

not attested not anchored not stored refs pending

An operad from the secondary polytope

Lev Soukhanov

arxiv:1505.08157 v1 · 2015-05-29 · math.AG · 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{FVJXBHOYIXKPUCSDYHSAFZJBW6}

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	2026-05-18T01:59:59.529059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d53709dd845d4fa0a43c1e402e521b7a5a0561fdac92aeee61fbc14dcd9e102

Aliases

arxiv: 1505.08157 · arxiv_version: 1505.08157v1 · doi: 10.48550/arxiv.1505.08157 · pith_short_12: FVJXBHOYIXKP · pith_short_16: FVJXBHOYIXKPUCSD · pith_short_8: FVJXBHOY

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/FVJXBHOYIXKPUCSDYHSAFZJBW6 \
  | 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: 2d53709dd845d4fa0a43c1e402e521b7a5a0561fdac92aeee61fbc14dcd9e102

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e05c619ebb2ce573ed48886cb51253b5330eda8306ea9dd6eeec3490f881e82",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-05-29T19:23:29Z",
    "title_canon_sha256": "3730c39106e21903de9517d1f99ca810fddc0c8b8858289b1a638c20abbaca9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.08157",
    "kind": "arxiv",
    "version": 1
  }
}