Pith Number

pith:GDWEWVXF

pith:2012:GDWEWVXF7EC3MYB3BWOAK45PNK

not attested not anchored not stored refs pending

Noise vs computational intractability in dynamics

Alexander Grigo, Cristobal Rojas, Mark Braverman

arxiv:1201.0488 v1 · 2012-01-02 · cs.CC · math.DS · nlin.CD

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GDWEWVXF7EC3MYB3BWOAK45PNK}

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	2026-05-18T00:50:52.743905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30ec4b56e5f905b6603b0d9c0573af6aacc9de12a45b828900b9d3ad2c58cc72

Aliases

arxiv: 1201.0488 · arxiv_version: 1201.0488v1 · doi: 10.48550/arxiv.1201.0488 · pith_short_12: GDWEWVXF7EC3 · pith_short_16: GDWEWVXF7EC3MYB3 · pith_short_8: GDWEWVXF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/GDWEWVXF7EC3MYB3BWOAK45PNK \
  | 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: 30ec4b56e5f905b6603b0d9c0573af6aacc9de12a45b828900b9d3ad2c58cc72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7d4d9fd59be7e4d62cf8b7d5b92f7dc9d21299a78212a0aab1ed5c2d0ab52f0",
    "cross_cats_sorted": [
      "math.DS",
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2012-01-02T16:39:05Z",
    "title_canon_sha256": "d60c4d6ede3abea65d4aa8a8dc97cac00bf2442e7166bad171a942c664ee6a84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0488",
    "kind": "arxiv",
    "version": 1
  }
}