pith. sign in
Pith Number

pith:I2YXTLXD

pith:2015:I2YXTLXD25MAUTZ27TIKE4JLGU
not attested not anchored not stored refs pending

What Isn't Complexity?

Christopher R. Stephens

arxiv:1502.03199 v1 · 2015-02-11 · nlin.AO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{I2YXTLXD25MAUTZ27TIKE4JLGU}

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 2026-05-18T02:27:20.197179Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

46b179aee3d7580a4f3afcd0a2712b350570aeaaa62f39e3cc6ba973aff2756a

Aliases

arxiv: 1502.03199 · arxiv_version: 1502.03199v1 · doi: 10.48550/arxiv.1502.03199 · pith_short_12: I2YXTLXD25MA · pith_short_16: I2YXTLXD25MAUTZ2 · pith_short_8: I2YXTLXD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/I2YXTLXD25MAUTZ27TIKE4JLGU \
  | 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: 46b179aee3d7580a4f3afcd0a2712b350570aeaaa62f39e3cc6ba973aff2756a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "99f0ae01770adf54dea0f59d4d14fd9cbccafb2bd2259c4272ea5a4afae741db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.AO",
    "submitted_at": "2015-02-11T06:26:12Z",
    "title_canon_sha256": "3b8ca92b0f8f99a18f58cc74c29e48e530305da6460105284f571e7df3aa786c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03199",
    "kind": "arxiv",
    "version": 1
  }
}