Pith Number

pith:LAD46BUV

pith:2016:LAD46BUVFUVWP7HD3V3ZS72AF4

not attested not anchored not stored refs pending

Geometric construction of bases of $H_2(\overline\Omega, \partial\Omega, \mathbb{Z})$

Ana Alonso Rodr\'iguez, Enrico Bertolazzi, Riccardo Ghiloni, Ruben Specogna

arxiv:1607.05099 v1 · 2016-07-18 · 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{LAD46BUVFUVWP7HD3V3ZS72AF4}

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	2026-05-18T01:10:55.921350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5807cf06952d2b67fce3dd77997f402f2d023dd8c33dcf0a750fe4d28bf45fe8

Aliases

arxiv: 1607.05099 · arxiv_version: 1607.05099v1 · doi: 10.48550/arxiv.1607.05099 · pith_short_12: LAD46BUVFUVW · pith_short_16: LAD46BUVFUVWP7HD · pith_short_8: LAD46BUV

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/LAD46BUVFUVWP7HD3V3ZS72AF4 \
  | 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: 5807cf06952d2b67fce3dd77997f402f2d023dd8c33dcf0a750fe4d28bf45fe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c9b0a2eff70285b51314c4dcf1fd9587f16694990d52dfe58f6a9f0b02a703a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2016-07-18T14:27:19Z",
    "title_canon_sha256": "f9e01171454a0f8a97557ba22597c78eeadac3d611560b3b2586d341c2b8cd6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.05099",
    "kind": "arxiv",
    "version": 1
  }
}