Pith Number

pith:BGWEW5KP

pith:2015:BGWEW5KPTXIGGJKRPUN52AC2FY

not attested not anchored not stored refs pending

The Three-Terminal Interactive Lossy Source Coding Problem

Alfred Hero III, Leonardo Rey Vega, Pablo Piantanida

arxiv:1502.01359 v3 · 2015-02-04 · 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{BGWEW5KPTXIGGJKRPUN52AC2FY}

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	2026-05-18T01:22:48.630569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09ac4b754f9dd06325517d1bdd005a2e299160dbea1affe7d6bb200fd4f5712f

Aliases

arxiv: 1502.01359 · arxiv_version: 1502.01359v3 · doi: 10.48550/arxiv.1502.01359 · pith_short_12: BGWEW5KPTXIG · pith_short_16: BGWEW5KPTXIGGJKR · pith_short_8: BGWEW5KP

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/BGWEW5KPTXIGGJKRPUN52AC2FY \
  | 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: 09ac4b754f9dd06325517d1bdd005a2e299160dbea1affe7d6bb200fd4f5712f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53bdc474b440a48de6680b10de7d0e1057db840bd0d6fe1d647965034d490a08",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-02-04T21:12:29Z",
    "title_canon_sha256": "a1f23ee67094fa64682b0b27d2f39fd7c79bc622e47bea56cdf453c16bc660e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01359",
    "kind": "arxiv",
    "version": 3
  }
}