Pith Number

pith:FD5SPDR5

pith:2014:FD5SPDR5WLSWMDLZD5VA462ZR3

not attested not anchored not stored refs pending

Graph algebras and orbit equivalence

Michael F. Whittaker, Nathan Brownlowe, Toke Meier Carlsen

arxiv:1410.2308 v1 · 2014-10-08 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FD5SPDR5WLSWMDLZD5VA462ZR3}

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	2026-05-18T00:44:10.227822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28fb278e3db2e5660d791f6a0e7b598eca941e68a31e16673e1ad6c023d7c8b4

Aliases

arxiv: 1410.2308 · arxiv_version: 1410.2308v1 · doi: 10.48550/arxiv.1410.2308 · pith_short_12: FD5SPDR5WLSW · pith_short_16: FD5SPDR5WLSWMDLZ · pith_short_8: FD5SPDR5

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/FD5SPDR5WLSWMDLZD5VA462ZR3 \
  | 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: 28fb278e3db2e5660d791f6a0e7b598eca941e68a31e16673e1ad6c023d7c8b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7d5a87e853605a0bbe2e1d01fe746bf91cf67a5f8de0f1d118af95e2e986610",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2014-10-08T23:04:06Z",
    "title_canon_sha256": "1f9d1536e896b7a60ba6bd3f7f36fdb3d93d5dd11d2425351489baafc9a56653"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.2308",
    "kind": "arxiv",
    "version": 1
  }
}