Pith Number

pith:VBDBHTTB

pith:2019:VBDBHTTBSWMI6IEBHNL5C3P5W6

not attested not anchored not stored refs pending

Locally finitely presented and coherent hearts

Carlos E. Parra, Manuel Saor\'in, Simone Virili

arxiv:1908.00649 v3 · 2019-08-01 · math.CT · math.KT · math.RA · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VBDBHTTBSWMI6IEBHNL5C3P5W6}

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	2026-07-05T04:44:17.465966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a84613ce6195988f20813b57d16dfdb786e3e929d0045ec756faf48fe9ca37c9

Aliases

arxiv: 1908.00649 · arxiv_version: 1908.00649v3 · doi: 10.48550/arxiv.1908.00649 · pith_short_12: VBDBHTTBSWMI · pith_short_16: VBDBHTTBSWMI6IEB · pith_short_8: VBDBHTTB

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/VBDBHTTBSWMI6IEBHNL5C3P5W6 \
  | 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: a84613ce6195988f20813b57d16dfdb786e3e929d0045ec756faf48fe9ca37c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1679743d2404077ed9f41d4825298f955f9c2ca87057de32c106c96f60829a28",
    "cross_cats_sorted": [
      "math.KT",
      "math.RA",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2019-08-01T22:44:29Z",
    "title_canon_sha256": "d3647c428f4988e7aae1162554e8f49525edbcce88c077d3d21a8775172b527a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00649",
    "kind": "arxiv",
    "version": 3
  }
}