Pith Number

pith:OQGS6NIY

pith:2011:OQGS6NIY2XWEZIOTO7EBHEUDH6

not attested not anchored not stored refs pending

A Framework for Automated and Certified Refinement Steps

Andreas Griesmayer, Charles Morisset, Shuling Wang, Zhiming Liu

arxiv:1112.0215 v1 · 2011-12-01 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OQGS6NIY2XWEZIOTO7EBHEUDH6}

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	2026-05-18T04:07:16.538847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

740d2f3518d5ec4ca1d377c81392833f95af11d73e310b30f0eadfcf8c4e6a33

Aliases

arxiv: 1112.0215 · arxiv_version: 1112.0215v1 · doi: 10.48550/arxiv.1112.0215 · pith_short_12: OQGS6NIY2XWE · pith_short_16: OQGS6NIY2XWEZIOT · pith_short_8: OQGS6NIY

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/OQGS6NIY2XWEZIOTO7EBHEUDH6 \
  | 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: 740d2f3518d5ec4ca1d377c81392833f95af11d73e310b30f0eadfcf8c4e6a33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94b7ca6b016d8ee2ec0a53b8ee63dff6603ee46efd9ae5481ddc3621650a744d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2011-12-01T15:43:48Z",
    "title_canon_sha256": "a48e528859bc0b2024ed1c77760291755315ea18336cf939cbc53b6abc75913d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0215",
    "kind": "arxiv",
    "version": 1
  }
}