pith. sign in
Pith Number

pith:4QPECSI6

pith:2015:4QPECSI6W44NMW2XLG44CHJQXU
not attested not anchored not stored refs pending

On dp-minimal fields

Will Johnson

arxiv:1507.02745 v1 · 2015-07-09 · math.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4QPECSI6W44NMW2XLG44CHJQXU}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-18T01:37:03.277669Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e41e41491eb738d65b5759b9c11d30bd075def64c49ec59d82b972c37dc61d51

Aliases

arxiv: 1507.02745 · arxiv_version: 1507.02745v1 · doi: 10.48550/arxiv.1507.02745 · pith_short_12: 4QPECSI6W44N · pith_short_16: 4QPECSI6W44NMW2X · pith_short_8: 4QPECSI6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4QPECSI6W44NMW2XLG44CHJQXU \
  | 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: e41e41491eb738d65b5759b9c11d30bd075def64c49ec59d82b972c37dc61d51
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ae52c8e2cf6096865e3b348d24e109d4e765b837007455608f61dfc67e03d40f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-07-09T23:37:50Z",
    "title_canon_sha256": "2f9fae1832bfb622411e62580498f0552c568332a97b1b0c0cb8272a6dd9dcae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02745",
    "kind": "arxiv",
    "version": 1
  }
}