Pith Number

pith:5XC4I7LO

pith:2015:5XC4I7LOSZWMBOFPTG7ISGPDCT

not attested not anchored not stored refs pending

Topical Discovery of Web Content

Giancarlo Crocetti

arxiv:1507.02002 v1 · 2015-07-08 · 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{5XC4I7LOSZWMBOFPTG7ISGPDCT}

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	2026-05-18T01:37:10.513579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edc5c47d6e966cc0b8af99be8919e314e1461d2b8ad72f82110e5a72381f0e01

Aliases

arxiv: 1507.02002 · arxiv_version: 1507.02002v1 · doi: 10.48550/arxiv.1507.02002 · pith_short_12: 5XC4I7LOSZWM · pith_short_16: 5XC4I7LOSZWMBOFP · pith_short_8: 5XC4I7LO

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/5XC4I7LOSZWMBOFPTG7ISGPDCT \
  | 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: edc5c47d6e966cc0b8af99be8919e314e1461d2b8ad72f82110e5a72381f0e01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acae78176f3a1291b79de2ae3b7a2ee2b5d5b0985dd63c2f539a4daa89ef816e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-07-08T01:06:55Z",
    "title_canon_sha256": "ce3db49bc6cbacc2d31fbe76c28fdf2d7c72e223ca1fac4808509be63092b969"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02002",
    "kind": "arxiv",
    "version": 1
  }
}