Pith Number

pith:YSQ54CUR

pith:2014:YSQ54CURVN6B3SQALD7BOWSQUQ

not attested not anchored not stored refs pending

On the Hyperhomology of the Small Gobelin in Codimension 2

Luis N\'u\~nez-Betancourt, Xavier G\'omez-Mont

arxiv:1405.5806 v1 · 2014-05-22 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YSQ54CURVN6B3SQALD7BOWSQUQ}

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	2026-05-18T02:51:15.554059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4a1de0a91ab7c1dca0058fe175a50a42ea6a4f050fb137ef4bb64e5d5c3fbed

Aliases

arxiv: 1405.5806 · arxiv_version: 1405.5806v1 · doi: 10.48550/arxiv.1405.5806 · pith_short_12: YSQ54CURVN6B · pith_short_16: YSQ54CURVN6B3SQA · pith_short_8: YSQ54CUR

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/YSQ54CURVN6B3SQALD7BOWSQUQ \
  | 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: c4a1de0a91ab7c1dca0058fe175a50a42ea6a4f050fb137ef4bb64e5d5c3fbed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30c94afe08d18746dc25fdb5a673cc817c3101a886c52743028ba8a5d0c41f5e",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-05-22T16:01:11Z",
    "title_canon_sha256": "0675f2a3e99add7efcc00584e17a7ecf1c14102465ed284671e80896b5eb0da5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.5806",
    "kind": "arxiv",
    "version": 1
  }
}