Pith Number

pith:2U5C2GSK

pith:2016:2U5C2GSKABGO77ZZRJRIWTFFP4

not attested not anchored not stored refs pending

On the geometry of the ricochet locus

Jaydeep Chipalkatti

arxiv:1604.08262 v1 · 2016-04-27 · 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{2U5C2GSKABGO77ZZRJRIWTFFP4}

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	2026-05-18T01:16:04.429157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d53a2d1a4a004cefff398a628b4ca57f2a3dbe253fc64545038d608433632725

Aliases

arxiv: 1604.08262 · arxiv_version: 1604.08262v1 · doi: 10.48550/arxiv.1604.08262 · pith_short_12: 2U5C2GSKABGO · pith_short_16: 2U5C2GSKABGO77ZZ · pith_short_8: 2U5C2GSK

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/2U5C2GSKABGO77ZZRJRIWTFFP4 \
  | 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: d53a2d1a4a004cefff398a628b4ca57f2a3dbe253fc64545038d608433632725

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8cc6f3c06bd0a5fd880f24d786da217cea86d9c6c6594cabed32a7985df3854",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-04-27T22:53:25Z",
    "title_canon_sha256": "9fd0fa70ee8f86fde84dfd29cf72b9bd044e82b494bb49ebd29e79ee4362d7e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08262",
    "kind": "arxiv",
    "version": 1
  }
}