Pith Number

pith:SCVOEIBO

pith:2019:SCVOEIBOB2THCVOVUQ7SEISF6M

not attested not anchored not stored refs pending

Rank-based persistence

Mattia G. Bergomi, Pietro Vertechi

arxiv:1905.09151 v1 · 2019-05-22 · math.AT · cs.CG · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SCVOEIBOB2THCVOVUQ7SEISF6M}

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	2026-05-17T23:45:21.850248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90aae2202e0ea67155d5a43f222245f31e5b80a4e63ad0c7cccc6cbd20d47a4b

Aliases

arxiv: 1905.09151 · arxiv_version: 1905.09151v1 · doi: 10.48550/arxiv.1905.09151 · pith_short_12: SCVOEIBOB2TH · pith_short_16: SCVOEIBOB2THCVOV · pith_short_8: SCVOEIBO

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/SCVOEIBOB2THCVOVUQ7SEISF6M \
  | 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: 90aae2202e0ea67155d5a43f222245f31e5b80a4e63ad0c7cccc6cbd20d47a4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cef3b833ee610c6ff5403b97ca544807639992a239805ea68912c6e615597bb5",
    "cross_cats_sorted": [
      "cs.CG",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2019-05-22T14:03:48Z",
    "title_canon_sha256": "0302fc724a7fdced3dd1cafb1ee42ead4d58436b149580a9c61af038c285d814"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09151",
    "kind": "arxiv",
    "version": 1
  }
}