Pith Number

pith:JAF343PS

pith:2015:JAF343PSMQD3APSRFQLTBXZ3Q4

not attested not anchored not stored refs pending

$B$-Rigidity of flag $2$-spheres without $4$-belt

Feifei Fan, Jun Ma, Xiangjun Wang

arxiv:1511.03624 v1 · 2015-11-11 · 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{JAF343PSMQD3APSRFQLTBXZ3Q4}

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	2026-05-18T01:27:08.584117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

480bbe6df26407b03e512c1730df3b872081f0820a4712cb1af136e983b46f87

Aliases

arxiv: 1511.03624 · arxiv_version: 1511.03624v1 · doi: 10.48550/arxiv.1511.03624 · pith_short_12: JAF343PSMQD3 · pith_short_16: JAF343PSMQD3APSR · pith_short_8: JAF343PS

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/JAF343PSMQD3APSRFQLTBXZ3Q4 \
  | 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: 480bbe6df26407b03e512c1730df3b872081f0820a4712cb1af136e983b46f87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a4df0fdaec1ce3c140b4f1074b2bae445d83ec1d5cd3b5bb8a8e62d939d2c4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2015-11-11T19:45:07Z",
    "title_canon_sha256": "f2d01b056d5eb3321ba086cac7aae3c478f5dceb510026e4f33566aea8aab306"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.03624",
    "kind": "arxiv",
    "version": 1
  }
}