Pith Number

pith:LWOOV6LW

pith:2017:LWOOV6LWDC5EP2MWBLHBY4PKW7

not attested not anchored not stored refs pending

On codimension-1 submanifolds of the real and complex projective space

Andrea Loi, Beniamino Cappelletti Montano, Daniele Zuddas

arxiv:1705.07786 v2 · 2017-05-22 · 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{LWOOV6LWDC5EP2MWBLHBY4PKW7}

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	2026-05-18T00:27:46.624520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d9ceaf97618ba47e9960ace1c71eab7c8968f0de7ce3e019bdae28ab8a36877

Aliases

arxiv: 1705.07786 · arxiv_version: 1705.07786v2 · doi: 10.48550/arxiv.1705.07786 · pith_short_12: LWOOV6LWDC5E · pith_short_16: LWOOV6LWDC5EP2MW · pith_short_8: LWOOV6LW

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/LWOOV6LWDC5EP2MWBLHBY4PKW7 \
  | 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: 5d9ceaf97618ba47e9960ace1c71eab7c8968f0de7ce3e019bdae28ab8a36877

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ab2c0b86009a9cdb3c5f65a6cd051169867705d5f1e63d17395f86eca35f508",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-05-22T14:55:33Z",
    "title_canon_sha256": "ee48bb6fe1c19d7b0ceaf3f06d331415c368893b86adc574e6c719f985f5ca17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07786",
    "kind": "arxiv",
    "version": 2
  }
}