Pith Number

pith:KTSFJVNH

pith:2017:KTSFJVNHHVVYHHSGEQ45YJ7FWW

not attested not anchored not stored refs pending

The decomposition groups of plane conics and plane rational cubics

Isac Hed\'en, Susanna Zimmermann, Tom Ducat

arxiv:1706.02533 v1 · 2017-06-08 · 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{KTSFJVNHHVVYHHSGEQ45YJ7FWW}

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	2026-05-18T00:42:45.224077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54e454d5a73d6b839e462439dc27e5b5bdc68858e4af5c663fa062067b503950

Aliases

arxiv: 1706.02533 · arxiv_version: 1706.02533v1 · doi: 10.48550/arxiv.1706.02533 · pith_short_12: KTSFJVNHHVVY · pith_short_16: KTSFJVNHHVVYHHSG · pith_short_8: KTSFJVNH

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/KTSFJVNHHVVYHHSGEQ45YJ7FWW \
  | 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: 54e454d5a73d6b839e462439dc27e5b5bdc68858e4af5c663fa062067b503950

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6fbd5290ccb7cfea1b3824c9cbd896b6aaeca20758a017869ce831ccd5337dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-06-08T12:10:50Z",
    "title_canon_sha256": "18a72c1afae9e40d06747bd9084741c715da305d24c91a8110a775d6e2a17bfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02533",
    "kind": "arxiv",
    "version": 1
  }
}