pith. sign in
Pith Number

pith:2RSGHSKX

pith:2018:2RSGHSKXNPBHMZF3US7HETCWF3
not attested not anchored not stored refs pending

The Delta-framework

Claude Stolze, Furio Honsell, Ivan Scagnetto, Luigi Liquori

arxiv:1808.04193 v1 · 2018-08-13 · cs.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2RSGHSKXNPBHMZF3US7HETCWF3}

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 2026-05-18T00:07:48.821166Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d46463c9576bc27664bba4be724c562ed8ad7cf55d2be6047f358d5e88869d76

Aliases

arxiv: 1808.04193 · arxiv_version: 1808.04193v1 · doi: 10.48550/arxiv.1808.04193 · pith_short_12: 2RSGHSKXNPBH · pith_short_16: 2RSGHSKXNPBHMZF3 · pith_short_8: 2RSGHSKX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2RSGHSKXNPBHMZF3US7HETCWF3 \
  | 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: d46463c9576bc27664bba4be724c562ed8ad7cf55d2be6047f358d5e88869d76
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "48dcb9a3f73092381845800b0ae2774936ae5495ca677304db608905b63122f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-08-13T13:21:53Z",
    "title_canon_sha256": "e83ca69479638ac767a2bf204359b5522884e743ef8fa31d38fd415d81ec727e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04193",
    "kind": "arxiv",
    "version": 1
  }
}