Pith Number

pith:6Z5FIQCA

pith:2019:6Z5FIQCANCYOXAOBXYJPWCGR2N

not attested not anchored not stored refs pending

Spectra of "fattened" open book structures

James E. Corbin, Peter Kuchment

arxiv:1908.06222 v1 · 2019-08-17 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6Z5FIQCANCYOXAOBXYJPWCGR2N}

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	2026-07-04T23:58:13.542489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f67a54404068b0eb81c1be12fb08d1d34d776aded755bc2c9c160a3a975e8d3e

Aliases

arxiv: 1908.06222 · arxiv_version: 1908.06222v1 · doi: 10.48550/arxiv.1908.06222 · pith_short_12: 6Z5FIQCANCYO · pith_short_16: 6Z5FIQCANCYOXAOB · pith_short_8: 6Z5FIQCA

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/6Z5FIQCANCYOXAOBXYJPWCGR2N \
  | 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: f67a54404068b0eb81c1be12fb08d1d34d776aded755bc2c9c160a3a975e8d3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b329a74c61d498cd0cf55793885288a90accc1344dfefc7f4184f637e56cf0ae",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-08-17T01:48:16Z",
    "title_canon_sha256": "a6c80076a1216d6a34b375e18bcd6f03738a616e713a5d56c502056bb8ac69ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06222",
    "kind": "arxiv",
    "version": 1
  }
}