Pith Number

pith:FDZ7DR55

pith:2016:FDZ7DR55IFSPD7CICTO5KMGMKT

not attested not anchored not stored refs pending

A bundling problem revisited

Paata Ivanisvili

arxiv:1602.00983 v1 · 2016-02-02 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FDZ7DR55IFSPD7CICTO5KMGMKT}

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	2026-05-18T01:21:24.093772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28f3f1c7bd4164f1fc4814ddd530cc54ceea32c2f256f7d484f8800407926194

Aliases

arxiv: 1602.00983 · arxiv_version: 1602.00983v1 · doi: 10.48550/arxiv.1602.00983 · pith_short_12: FDZ7DR55IFSP · pith_short_16: FDZ7DR55IFSPD7CI · pith_short_8: FDZ7DR55

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/FDZ7DR55IFSPD7CICTO5KMGMKT \
  | 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: 28f3f1c7bd4164f1fc4814ddd530cc54ceea32c2f256f7d484f8800407926194

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7294c6e0dfc76753e2d375e63a5412308d61b4e4cc26026b1b6bf20d57491a15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-02-02T15:51:05Z",
    "title_canon_sha256": "3afd4074bc73179f3b642aacd5cf44a638d575473a01229922a541925cbcbd85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.00983",
    "kind": "arxiv",
    "version": 1
  }
}