Pith Number

pith:WOFEWX5M

pith:2012:WOFEWX5MUP3NOFTQ247BQC7S7Q

not attested not anchored not stored refs pending

Generating Program Invariants via Interpolation

Marc Moreno Maza, Rong Xiao

arxiv:1201.5086 v2 · 2012-01-24 · cs.SE · cs.DM · cs.SC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WOFEWX5MUP3NOFTQ247BQC7S7Q}

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	2026-05-18T03:57:14.007899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b38a4b5faca3f6d71670d73e180bf2fc28aba706c175fba37fd630b439260812

Aliases

arxiv: 1201.5086 · arxiv_version: 1201.5086v2 · doi: 10.48550/arxiv.1201.5086 · pith_short_12: WOFEWX5MUP3N · pith_short_16: WOFEWX5MUP3NOFTQ · pith_short_8: WOFEWX5M

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/WOFEWX5MUP3NOFTQ247BQC7S7Q \
  | 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: b38a4b5faca3f6d71670d73e180bf2fc28aba706c175fba37fd630b439260812

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d6e31c8800ebec537e639880cf869085a7b1eff834d76ae18dfe81c328f010d",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.SC",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2012-01-24T18:43:37Z",
    "title_canon_sha256": "5c93ae0a60b0272444c9087443877470b9575e3fb01202b8be7f3c4513cd12df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5086",
    "kind": "arxiv",
    "version": 2
  }
}