Pith Number

pith:JDJYZ7JK

pith:2011:JDJYZ7JK4OOVVUNZP4BQNF5AQ5

not attested not anchored not stored refs pending

Bandlimited Intensity Modulation

Erik Agrell, Johnny Karout, Mehrnaz Tavan

arxiv:1109.4587 v2 · 2011-09-21 · 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{JDJYZ7JK4OOVVUNZP4BQNF5AQ5}

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	2026-05-18T02:21:36.381405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48d38cfd2ae39d5ad1b97f030697a0875b09ac9adc87a73e23ced744fc3d8ef8

Aliases

arxiv: 1109.4587 · arxiv_version: 1109.4587v2 · doi: 10.48550/arxiv.1109.4587 · pith_short_12: JDJYZ7JK4OOV · pith_short_16: JDJYZ7JK4OOVVUNZ · pith_short_8: JDJYZ7JK

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/JDJYZ7JK4OOVVUNZP4BQNF5AQ5 \
  | 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: 48d38cfd2ae39d5ad1b97f030697a0875b09ac9adc87a73e23ced744fc3d8ef8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c890e212fcd7262426e51de8cecfc0b5de4a865f1d9a352bc18f38623ab6df3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-09-21T16:58:45Z",
    "title_canon_sha256": "6e4c83cd95a2a20abb0047dc0eb7c50fd753933dee52ebbd8a216aad4663dac3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4587",
    "kind": "arxiv",
    "version": 2
  }
}