Pith Number

pith:3ZBVXNTP

pith:2011:3ZBVXNTPGMV7W73ES227BUPUUY

not attested not anchored not stored refs pending

Some steps on short bridges: Non-metrizable surfaces and CW-complexes

Mathieu Baillif

arxiv:1103.3710 v2 · 2011-03-18 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3ZBVXNTPGMV7W73ES227BUPUUY}

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	2026-05-18T03:44:24.651059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de435bb66f332bfb7f6496b5f0d1f4a60f94879f902688869c2c6d2d81377f08

Aliases

arxiv: 1103.3710 · arxiv_version: 1103.3710v2 · doi: 10.48550/arxiv.1103.3710 · pith_short_12: 3ZBVXNTPGMV7 · pith_short_16: 3ZBVXNTPGMV7W73E · pith_short_8: 3ZBVXNTP

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/3ZBVXNTPGMV7W73ES227BUPUUY \
  | 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: de435bb66f332bfb7f6496b5f0d1f4a60f94879f902688869c2c6d2d81377f08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c85c73f9569f851ec98f18702e39ba5e1872f2b93b4f4fbe721e06fd6f9f81b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2011-03-18T20:05:29Z",
    "title_canon_sha256": "733e65a58827961b681449d3538ecfd9460167594203a9fc6a8a4a7aabc5906c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3710",
    "kind": "arxiv",
    "version": 2
  }
}