Pith Number

pith:RAMBONK6

pith:2019:RAMBONK64FTYNMW4WUSQRFNLJJ

not attested not anchored not stored refs pending

Conics associated with totally degenerate curves

Qixiao Ma

arxiv:1908.03170 v1 · 2019-08-08 · 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{RAMBONK64FTYNMW4WUSQRFNLJJ}

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	2026-07-04T23:52:26.802751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

881817355ee16786b2dcb5250895ab4a7e49f9bbaeb3e7eba2174c525a5e137d

Aliases

arxiv: 1908.03170 · arxiv_version: 1908.03170v1 · doi: 10.48550/arxiv.1908.03170 · pith_short_12: RAMBONK64FTY · pith_short_16: RAMBONK64FTYNMW4 · pith_short_8: RAMBONK6

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/RAMBONK64FTYNMW4WUSQRFNLJJ \
  | 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: 881817355ee16786b2dcb5250895ab4a7e49f9bbaeb3e7eba2174c525a5e137d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0fa40b157c98d9b61370aaf63b0978ba42998759e9436223e9f69cc03df8928",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-08-08T17:02:36Z",
    "title_canon_sha256": "bffd656447e9ca439aae40f7c4f50b6253f4bfe690ca7c29b10c7b9e9b0f0575"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03170",
    "kind": "arxiv",
    "version": 1
  }
}