Pith Number

pith:6QY37QII

pith:2015:6QY37QIICARG2V3RTELICNPYYF

not attested not anchored not stored refs pending

Quasi-translations and singular Hessians

Michiel de Bondt

arxiv:1501.05168 v1 · 2015-01-21 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6QY37QIICARG2V3RTELICNPYYF}

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	2026-05-18T02:29:00.634191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f431bfc10810226d577199168135f8c17d4d7b2d24b893cd7184e51a39f84faa

Aliases

arxiv: 1501.05168 · arxiv_version: 1501.05168v1 · doi: 10.48550/arxiv.1501.05168 · pith_short_12: 6QY37QIICARG · pith_short_16: 6QY37QIICARG2V3R · pith_short_8: 6QY37QII

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/6QY37QIICARG2V3RTELICNPYYF \
  | 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: f431bfc10810226d577199168135f8c17d4d7b2d24b893cd7184e51a39f84faa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "264c33fee773a1399b5134d69d91afbb72664b8a07e2a06753859b134255cde9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-01-21T13:42:13Z",
    "title_canon_sha256": "13c63c86d4fb95ae4fb9af82b0fe52e9326fab5b0c3670a99c5248d80722dd1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05168",
    "kind": "arxiv",
    "version": 1
  }
}