pith. sign in
Pith Number

pith:R5GQVXXU

pith:2017:R5GQVXXUSY6UUMJSYKSUJ5K7SQ
not attested not anchored not stored refs pending

Iteration entropy

Joachim von zur Gathen

arxiv:1712.01407 v2 · 2017-12-04 · math.NT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{R5GQVXXUSY6UUMJSYKSUJ5K7SQ}

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 2026-05-18T00:27:41.421779Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8f4d0adef4963d4a3132c2a544f55f941357180e5c5e18851d9c54c7cefeaca8

Aliases

arxiv: 1712.01407 · arxiv_version: 1712.01407v2 · doi: 10.48550/arxiv.1712.01407 · pith_short_12: R5GQVXXUSY6U · pith_short_16: R5GQVXXUSY6UUMJS · pith_short_8: R5GQVXXU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/R5GQVXXUSY6UUMJSYKSUJ5K7SQ \
  | 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: 8f4d0adef4963d4a3132c2a544f55f941357180e5c5e18851d9c54c7cefeaca8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "74db8915bcd35b4feefa633e8af4e28dcb6b278c63fa15fdf60dd7ec55710629",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-12-04T23:07:16Z",
    "title_canon_sha256": "eff99a328b06ba976e0be6448b4da63f217569fdc0c8ba025d0447d094106e30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01407",
    "kind": "arxiv",
    "version": 2
  }
}