Pith Number

pith:T7K2T7EO

pith:2014:T7K2T7EOPYCNVJ5O2WNEA6W2QG

not attested not anchored not stored refs pending

Cohomology of toric origami manifolds with acyclic proper faces

Anton Ayzenberg, Haozhi Zeng, Mikiya Masuda, Seonjeong Park

arxiv:1407.0764 v3 · 2014-07-03 · math.AT · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T7K2T7EOPYCNVJ5O2WNEA6W2QG}

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	2026-05-18T00:35:14.230242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fd5a9fc8e7e04daa7aed59a407ada818c9f132a28fc0f62ea9bae55042d78b4

Aliases

arxiv: 1407.0764 · arxiv_version: 1407.0764v3 · doi: 10.48550/arxiv.1407.0764 · pith_short_12: T7K2T7EOPYCN · pith_short_16: T7K2T7EOPYCNVJ5O · pith_short_8: T7K2T7EO

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/T7K2T7EOPYCNVJ5O2WNEA6W2QG \
  | 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: 9fd5a9fc8e7e04daa7aed59a407ada818c9f132a28fc0f62ea9bae55042d78b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfcf9bb4a6efc494d505efc4b2add17405a26684796ec2d3a78b88b1e9264d38",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-07-03T02:33:21Z",
    "title_canon_sha256": "c0afa9df5a9760ad76d3ac6ecd16506ddcdc794ea7877ea40873ade8efe2651b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0764",
    "kind": "arxiv",
    "version": 3
  }
}