Pith Number

pith:77U6HV4C

pith:2012:77U6HV4CV2524GKY4PNYJI2JNW

not attested not anchored not stored refs pending

On Formal Specification of Maple Programs

Muhammad Taimoor Khan, Wolfgang Schreiner

arxiv:1207.2291 v1 · 2012-07-10 · cs.MS · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77U6HV4CV2524GKY4PNYJI2JNW}

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	2026-05-18T03:51:24.465407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffe9e3d782aebbae1958e3db84a3496d81073e45e41345a71decffbbfdc267b9

Aliases

arxiv: 1207.2291 · arxiv_version: 1207.2291v1 · doi: 10.48550/arxiv.1207.2291 · pith_short_12: 77U6HV4CV252 · pith_short_16: 77U6HV4CV2524GKY · pith_short_8: 77U6HV4C

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/77U6HV4CV2524GKY4PNYJI2JNW \
  | 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: ffe9e3d782aebbae1958e3db84a3496d81073e45e41345a71decffbbfdc267b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0eb4c4562ae69b5860c182dbc18fca6b83d72415d7425d969762e0cbf9e24c7f",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2012-07-10T10:21:34Z",
    "title_canon_sha256": "cbf6a5ac926ae7d69811bba64a24afba9bda622b50cf69b95e89672aecb08378"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2291",
    "kind": "arxiv",
    "version": 1
  }
}