Pith Number

pith:KB7DK4L3

pith:2019:KB7DK4L3DFQLT7DWO7MDZAQNQP

not attested not anchored not stored refs pending

Inferring Inductive Invariants from Phase Structures

James R. Wilcox, Mooly Sagiv, Sharon Shoham, Yotam M. Y. Feldman

arxiv:1905.07739 v1 · 2019-05-19 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KB7DK4L3DFQLT7DWO7MDZAQNQP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:45:48.614979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

507e35717b1960b9fc7677d83c820d83e3ec328cd3b58052e6ce5fe13515833e

Aliases

arxiv: 1905.07739 · arxiv_version: 1905.07739v1 · doi: 10.48550/arxiv.1905.07739 · pith_short_12: KB7DK4L3DFQL · pith_short_16: KB7DK4L3DFQLT7DW · pith_short_8: KB7DK4L3

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/KB7DK4L3DFQLT7DWO7MDZAQNQP \
  | 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: 507e35717b1960b9fc7677d83c820d83e3ec328cd3b58052e6ce5fe13515833e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40e9c138dc33936cb1389a2491c1f31558ab9edca774c6309406d607a52a7f83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-05-19T13:31:41Z",
    "title_canon_sha256": "2c5654f210b308cd3dd9912470371c8ad1dc9bbbbf137d0796c6e6fcc9a7499a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07739",
    "kind": "arxiv",
    "version": 1
  }
}