Pith Number

pith:6Q5NGNBR

pith:2020:6Q5NGNBRAWUPD3YKG77TWRZLGG

not attested not anchored not stored refs pending

Towards Productionizing Subjective Search Systems

Aaron Feng, Hidekazu Tamaki, Hiroshi Matsuda, Shuwei Chen, Wang-Chiew Tan, Yuliang Li

arxiv:2003.13968 v1 · 2020-03-31 · cs.DB · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6Q5NGNBRAWUPD3YKG77TWRZLGG}

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	2026-07-05T00:51:46.781307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f43ad3343105a8f1ef0a37ff3b472b31a5108f2a98de5438d6f67bf8b2d6421e

Aliases

arxiv: 2003.13968 · arxiv_version: 2003.13968v1 · doi: 10.48550/arxiv.2003.13968 · pith_short_12: 6Q5NGNBRAWUP · pith_short_16: 6Q5NGNBRAWUPD3YK · pith_short_8: 6Q5NGNBR

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/6Q5NGNBRAWUPD3YKG77TWRZLGG \
  | 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: f43ad3343105a8f1ef0a37ff3b472b31a5108f2a98de5438d6f67bf8b2d6421e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dce6acdca1fcff29875c693672daedfe1652ddf88b75c95926df361d363e9df",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2020-03-31T06:17:49Z",
    "title_canon_sha256": "2de38976a3de1ca728582577699b254c4f680cff792236789977cdbad9ca5192"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.13968",
    "kind": "arxiv",
    "version": 1
  }
}