Pith Number

pith:YGYMWLPE

pith:2017:YGYMWLPEYZTLHS7X4U5PLSUI7B

not attested not anchored not stored refs pending

Can We Find Documents in Web Archives without Knowing their Contents?

Khoi Duy Vo, Tuan Tran, Tu Ngoc Nguyen, Wolfgang Nejdl, Xiaofei Zhu

arxiv:1701.03942 v1 · 2017-01-14 · 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{YGYMWLPEYZTLHS7X4U5PLSUI7B}

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	2026-05-18T00:52:48.360113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1b0cb2de4c666b3cbf7e53af5ca88f872baff40864b8cf97568afd94dd49368

Aliases

arxiv: 1701.03942 · arxiv_version: 1701.03942v1 · doi: 10.48550/arxiv.1701.03942 · pith_short_12: YGYMWLPEYZTL · pith_short_16: YGYMWLPEYZTLHS7X · pith_short_8: YGYMWLPE

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/YGYMWLPEYZTLHS7X4U5PLSUI7B \
  | 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: c1b0cb2de4c666b3cbf7e53af5ca88f872baff40864b8cf97568afd94dd49368

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6052c6adad8d456b644ac95f32f8ab976fe7de8c30995b76a8182b9030db7c69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-01-14T16:23:09Z",
    "title_canon_sha256": "9437866b679487a0138f2c68dedfbc0fd6702f936c537c4deafd7159e2a97227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03942",
    "kind": "arxiv",
    "version": 1
  }
}