Pith Number

pith:5C4KJVIY

pith:2018:5C4KJVIYGXA75DCMDWJWUIHCYU

not attested not anchored not stored refs pending

Visibility Extension via Reflective Edges to an Exact Quantity

Arash Vaezi, Mohammad Ghodsi

arxiv:1811.07649 v1 · 2018-11-19 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5C4KJVIYGXA75DCMDWJWUIHCYU}

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	2026-05-18T00:00:23.873810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8b8a4d51835c1fe8c4c1d936a20e2c533c54f1efd56441d639dafd12b4c2d1b

Aliases

arxiv: 1811.07649 · arxiv_version: 1811.07649v1 · doi: 10.48550/arxiv.1811.07649 · pith_short_12: 5C4KJVIYGXA7 · pith_short_16: 5C4KJVIYGXA75DCM · pith_short_8: 5C4KJVIY

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/5C4KJVIYGXA75DCMDWJWUIHCYU \
  | 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: e8b8a4d51835c1fe8c4c1d936a20e2c533c54f1efd56441d639dafd12b4c2d1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "636d84d1f061ed2b136e40618b7e91ceaf08b7074da6fe5c61ce1527cd7b94a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2018-11-19T12:36:08Z",
    "title_canon_sha256": "ecdf84eecffe06d2ce35f6fb6d28b76e3bc851f8884e6b1ba60d41a297f989a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07649",
    "kind": "arxiv",
    "version": 1
  }
}