Pith Number

pith:4UGZMIWX

pith:2017:4UGZMIWXKFJRVFHSJLAVI67YIA

not attested not anchored not stored refs pending

How to exploit prior information in low-complexity models

Farzan Haddadi, Sajad Daei

arxiv:1704.05397 v1 · 2017-04-18 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4UGZMIWXKFJRVFHSJLAVI67YIA}

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	2026-05-18T00:46:09.302948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e50d9622d751531a94f24ac1547bf84022a0cb5faebb23b2c618e29330c174c9

Aliases

arxiv: 1704.05397 · arxiv_version: 1704.05397v1 · doi: 10.48550/arxiv.1704.05397 · pith_short_12: 4UGZMIWXKFJR · pith_short_16: 4UGZMIWXKFJRVFHS · pith_short_8: 4UGZMIWX

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/4UGZMIWXKFJRVFHSJLAVI67YIA \
  | 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: e50d9622d751531a94f24ac1547bf84022a0cb5faebb23b2c618e29330c174c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c94a67885f54a1dd7f4e4500e1b3d026aa4a9245979d5e8e135292184f5a822",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-04-18T15:39:35Z",
    "title_canon_sha256": "2fb95439d1c169b81498045153646b882ec954502f7df8e12ab639223d320a00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05397",
    "kind": "arxiv",
    "version": 1
  }
}