Pith Number

pith:2PTX3OT5

pith:2013:2PTX3OT5MXCLCSMEDWLRATZJ2O

not attested not anchored not stored refs pending

An Improved Solution for Restricted and Uncertain TRQ

Jack Wang

arxiv:1311.0320 v3 · 2013-11-01 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2PTX3OT5MXCLCSMEDWLRATZJ2O}

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	2026-05-18T00:11:51.245197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3e77dba7d65c4b149841d97104f29d3b06aadc7af4038aab38eafd4b84c48e4

Aliases

arxiv: 1311.0320 · arxiv_version: 1311.0320v3 · doi: 10.48550/arxiv.1311.0320 · pith_short_12: 2PTX3OT5MXCL · pith_short_16: 2PTX3OT5MXCLCSME · pith_short_8: 2PTX3OT5

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/2PTX3OT5MXCLCSMEDWLRATZJ2O \
  | 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: d3e77dba7d65c4b149841d97104f29d3b06aadc7af4038aab38eafd4b84c48e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd8c0ab98e167d59450b265628b743d3e9a0f67f9379d6e13e9edb0efef65597",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2013-11-01T22:52:00Z",
    "title_canon_sha256": "a0ec8e9822b2c0c15f1e8ec0df265f705d97ce5b4348d5108b56cf5729337b44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0320",
    "kind": "arxiv",
    "version": 3
  }
}