pith. sign in
Pith Number

pith:SD7URM2I

pith:2016:SD7URM2I3A3RLXWBXYEN3W3V2N
not attested not anchored not stored refs pending

On probability and logic

Amilcar Sernadas, Cristina Sernadas, Joao Rasga

arxiv:1601.02915 v1 · 2016-01-12 · math.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SD7URM2I3A3RLXWBXYEN3W3V2N}

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 2026-05-18T01:22:59.333271Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

90ff48b348d83715dec1be08dddb75d3732fdbf249fc816f47e884180b0a216c

Aliases

arxiv: 1601.02915 · arxiv_version: 1601.02915v1 · doi: 10.48550/arxiv.1601.02915 · pith_short_12: SD7URM2I3A3R · pith_short_16: SD7URM2I3A3RLXWB · pith_short_8: SD7URM2I
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SD7URM2I3A3RLXWBXYEN3W3V2N \
  | 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: 90ff48b348d83715dec1be08dddb75d3732fdbf249fc816f47e884180b0a216c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9fb4977eac4ca9a7eaacb7887dc3f2c3d661e75b82ee59416c7276243d08ff51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2016-01-12T15:32:36Z",
    "title_canon_sha256": "8ee6997fc73a0f8d3e1fcd1966e7c41c28f2e7549e26b26a7a6c09f20455528a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02915",
    "kind": "arxiv",
    "version": 1
  }
}