Pith Number

pith:4YCDBEFE

pith:2017:4YCDBEFENGGKELNUZODYEQFP25

not attested not anchored not stored refs pending

Topology and experimental distinguishability

Christine A. Aidala, Gabriele Carcassi, Mark J. Greenfield

arxiv:1708.05492 v1 · 2017-08-18 · math.GN · 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{4YCDBEFENGGKELNUZODYEQFP25}

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	2026-05-17T23:47:44.510435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6043090a4698ca22db4cb878240afd74171af6a337771f8c9db64a48efb7d3b

Aliases

arxiv: 1708.05492 · arxiv_version: 1708.05492v1 · doi: 10.48550/arxiv.1708.05492 · pith_short_12: 4YCDBEFENGGK · pith_short_16: 4YCDBEFENGGKELNU · pith_short_8: 4YCDBEFE

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/4YCDBEFENGGKELNUZODYEQFP25 \
  | 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: e6043090a4698ca22db4cb878240afd74171af6a337771f8c9db64a48efb7d3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a1e9fef0e54cd3fa885fa86c11be7f11be6ca2299ef0ce346728a54bbde55ff",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2017-08-18T02:58:22Z",
    "title_canon_sha256": "c9eee27ab222bb1a9442b6d9c8837b45c5b21494364d8e0952b210d26382197a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05492",
    "kind": "arxiv",
    "version": 1
  }
}