pith. sign in
Pith Number

pith:2637WPNI

pith:2015:2637WPNIFUGW5RC72P3GEZ2AXR
not attested not anchored not stored refs pending

Towards composition of conformant systems

Georgios Fainekos, Houssam Abbas

arxiv:1511.05273 v2 · 2015-11-17 · cs.SY

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2637WPNIFUGW5RC72P3GEZ2AXR}

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 2026-05-18T01:26:33.420680Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d7b7fb3da82d0d6ec45fd3f6626740bc74caeba3fa221c526e9691448b6ed0ad

Aliases

arxiv: 1511.05273 · arxiv_version: 1511.05273v2 · doi: 10.48550/arxiv.1511.05273 · pith_short_12: 2637WPNIFUGW · pith_short_16: 2637WPNIFUGW5RC7 · pith_short_8: 2637WPNI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2637WPNIFUGW5RC72P3GEZ2AXR \
  | 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: d7b7fb3da82d0d6ec45fd3f6626740bc74caeba3fa221c526e9691448b6ed0ad
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "52c3f4fcf393e2a4d74115a776154dc3630abcaabd8bed6343d52abc2832246d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2015-11-17T05:16:07Z",
    "title_canon_sha256": "572169c0ad9e69aa82ee181a7e0d2499d011c57138bdcabdaab605e4b03ecfc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05273",
    "kind": "arxiv",
    "version": 2
  }
}