Pith Number

pith:NUMK2L3R

pith:2015:NUMK2L3RMQZHJP264IYGS2FH4N

not attested not anchored not stored refs pending

Principles of Dataset Versioning: Exploring the Recreation/Storage Tradeoff

Aditya Parameswaran, Amit Chavan, Amol Deshpande, Silu Huang, Souvik Bhattacherjee

arxiv:1505.05211 v1 · 2015-05-19 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NUMK2L3RMQZHJP264IYGS2FH4N}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:03:59.086560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d18ad2f71643274bf5ee2306968a7e342138f53460952e047a0751eb55100d8

Aliases

arxiv: 1505.05211 · arxiv_version: 1505.05211v1 · doi: 10.48550/arxiv.1505.05211 · pith_short_12: NUMK2L3RMQZH · pith_short_16: NUMK2L3RMQZHJP26 · pith_short_8: NUMK2L3R

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/NUMK2L3RMQZHJP264IYGS2FH4N \
  | 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: 6d18ad2f71643274bf5ee2306968a7e342138f53460952e047a0751eb55100d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "037ae7decde05ebedcaf9772df121b8d74498be4f9774ad46df54355f0fb4d95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-05-19T23:45:05Z",
    "title_canon_sha256": "6306609e3778caffbec3b99ba29013c2e7edf3b8014337e90e9accc768f393fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05211",
    "kind": "arxiv",
    "version": 1
  }
}