Pith Number

pith:3QOSQP45

pith:2017:3QOSQP45D4UZEJHT6AMKKNY2KL

not attested not anchored not stored refs pending

FAST$^2$: an Intelligent Assistant for Finding Relevant Papers

Tim Menzies, Zhe Yu

arxiv:1705.05420 v6 · 2017-05-15 · 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{3QOSQP45D4UZEJHT6AMKKNY2KL}

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	2026-05-18T00:00:41.512366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc1d283f9d1f299224f3f018a5371a52e6ae42203baeecdd5dfc2236a1b91a9e

Aliases

arxiv: 1705.05420 · arxiv_version: 1705.05420v6 · doi: 10.48550/arxiv.1705.05420 · pith_short_12: 3QOSQP45D4UZ · pith_short_16: 3QOSQP45D4UZEJHT · pith_short_8: 3QOSQP45

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/3QOSQP45D4UZEJHT6AMKKNY2KL \
  | 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: dc1d283f9d1f299224f3f018a5371a52e6ae42203baeecdd5dfc2236a1b91a9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f5b1daceca31d2c89768b7f3283da248d4ae8f58d2613f75ea22c78a3e4ce06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-05-15T19:25:41Z",
    "title_canon_sha256": "dfd7eef2b7c398c3a6d6f832267f604a722450f8228d5a83f027645e7f989b20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05420",
    "kind": "arxiv",
    "version": 6
  }
}