Pith Number

pith:I2U2QLMJ

pith:2011:I2U2QLMJHYPEJE2AUEGZTSDGAL

not attested not anchored not stored refs pending

Computation Alignment: Capacity Approximation without Noise Accumulation

Bobak Nazer, Phil Whiting, Urs Niesen

arxiv:1108.6312 v3 · 2011-08-31 · 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{I2U2QLMJHYPEJE2AUEGZTSDGAL}

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	2026-05-18T03:21:54.972256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46a9a82d893e1e449340a10d99c86602d8394bb8a0f7d522e056872fc990fed4

Aliases

arxiv: 1108.6312 · arxiv_version: 1108.6312v3 · doi: 10.48550/arxiv.1108.6312 · pith_short_12: I2U2QLMJHYPE · pith_short_16: I2U2QLMJHYPEJE2A · pith_short_8: I2U2QLMJ

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/I2U2QLMJHYPEJE2AUEGZTSDGAL \
  | 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: 46a9a82d893e1e449340a10d99c86602d8394bb8a0f7d522e056872fc990fed4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a552f5a2b1148b94a2d3c7526f5a5a3aca3df15af5a818439b87be857769243b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-08-31T18:26:10Z",
    "title_canon_sha256": "3a5950d3c13fbe4a3e9fa2f5d0a46cf0eca978d11cce0a64eb2ba17eeb94c9a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.6312",
    "kind": "arxiv",
    "version": 3
  }
}