Pith Number

pith:R23BSXIU

pith:2011:R23BSXIUC2CW5ITYYB77SMALSW

not attested not anchored not stored refs pending

Deformation of Singularities and the Homology of Intersection Spaces

Laurentiu Maxim, Markus Banagl

arxiv:1101.4883 v1 · 2011-01-25 · 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{R23BSXIUC2CW5ITYYB77SMALSW}

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	2026-05-18T01:14:18.666979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8eb6195d1416856ea278c07ff9300b958db2b2121f0a4d6cc0145e7026325eed

Aliases

arxiv: 1101.4883 · arxiv_version: 1101.4883v1 · doi: 10.48550/arxiv.1101.4883 · pith_short_12: R23BSXIUC2CW · pith_short_16: R23BSXIUC2CW5ITY · pith_short_8: R23BSXIU

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/R23BSXIUC2CW5ITYYB77SMALSW \
  | 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: 8eb6195d1416856ea278c07ff9300b958db2b2121f0a4d6cc0145e7026325eed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87af736dbe2ffeb3fb5454c745bcfd943ca9d5eb4fe35e6893d6d7912564fa0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2011-01-25T17:47:50Z",
    "title_canon_sha256": "27fb0c89c2c3fa7d5b118eda6eb7e26927c7b01ee508d4c4b4c04e5f4c9e73c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4883",
    "kind": "arxiv",
    "version": 1
  }
}