Pith Number

pith:QPYT7VO4

pith:2005:QPYT7VO4EWY2WIHFLXP27CFOE5

not attested not anchored not stored refs pending

Automated Improvement for Component Reuse

Muthu Ramachandran

arxiv:cs/0505029 v2 · 2005-05-11 · 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{QPYT7VO4EWY2WIHFLXP27CFOE5}

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	2026-05-18T03:52:26.815657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83f13fd5dc25b1ab20e55ddfaf88ae2754188c8f7f3a7976b0451586ad77e3a4

Aliases

arxiv: cs/0505029 · arxiv_version: cs/0505029v2 · doi: 10.48550/arxiv.cs/0505029 · pith_short_12: QPYT7VO4EWY2 · pith_short_16: QPYT7VO4EWY2WIHF · pith_short_8: QPYT7VO4

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/QPYT7VO4EWY2WIHFLXP27CFOE5 \
  | 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: 83f13fd5dc25b1ab20e55ddfaf88ae2754188c8f7f3a7976b0451586ad77e3a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "738f0ccbea8f4e70276aebcba42c40a0bed31784242192bcda499f4ffffbaf02",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.SE",
    "submitted_at": "2005-05-11T18:23:19Z",
    "title_canon_sha256": "3d7a5b1ee950d3413d81e1315185776ad83a1b33cfa20e5aa6ece7f07b26a0cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0505029",
    "kind": "arxiv",
    "version": 2
  }
}