Pith Number

pith:4IWGIKO3

pith:2012:4IWGIKO35IQNDG2VN5UDLIYYQO

not attested not anchored not stored refs pending

New approximations for DQPSK transmission bit error rate

\'Arp\'ad Baricz, Szil\'ard Andr\'as

arxiv:1203.2760 v2 · 2012-03-13 · cs.IT · math.CA · 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{4IWGIKO35IQNDG2VN5UDLIYYQO}

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	2026-05-18T03:01:36.119507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e22c6429dbea20d19b556f6835a31883a5099915e1cb0d2c6e13d26fa69084ec

Aliases

arxiv: 1203.2760 · arxiv_version: 1203.2760v2 · doi: 10.48550/arxiv.1203.2760 · pith_short_12: 4IWGIKO35IQN · pith_short_16: 4IWGIKO35IQNDG2V · pith_short_8: 4IWGIKO3

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/4IWGIKO35IQNDG2VN5UDLIYYQO \
  | 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: e22c6429dbea20d19b556f6835a31883a5099915e1cb0d2c6e13d26fa69084ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26fd11adafc876c1ab98754a0b4b7ebd353bc724c336ccb72e6d39d84f90bb82",
    "cross_cats_sorted": [
      "math.CA",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-03-13T10:53:46Z",
    "title_canon_sha256": "97fe7217559365339eb68d33ff6a336b692253225cf9a84b0c97cc3e61615261"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2760",
    "kind": "arxiv",
    "version": 2
  }
}