Pith Number

pith:BOPNRVDL

pith:2019:BOPNRVDL5LJNX4EIMN2XNQNI7S

not attested not anchored not stored refs pending

Decentralized Pliable Index Coding

Daniela Tuninetti, Tang Liu

arxiv:1904.05272 v1 · 2019-04-10 · 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{BOPNRVDL5LJNX4EIMN2XNQNI7S}

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	2026-05-17T23:48:53.634614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b9ed8d46bead2dbf088637576c1a8fca7ca99755c2098f398068dcb982b51fb

Aliases

arxiv: 1904.05272 · arxiv_version: 1904.05272v1 · doi: 10.48550/arxiv.1904.05272 · pith_short_12: BOPNRVDL5LJN · pith_short_16: BOPNRVDL5LJNX4EI · pith_short_8: BOPNRVDL

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/BOPNRVDL5LJNX4EIMN2XNQNI7S \
  | 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: 0b9ed8d46bead2dbf088637576c1a8fca7ca99755c2098f398068dcb982b51fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ef626274435293efb0bc77fa4022fe7bccbd141d43ec0b912aa1547ecd9f9e4",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-04-10T16:18:57Z",
    "title_canon_sha256": "c65d294eb34193435e47bd404bfc177551fe2cd8b28174fc00043aeb2d64a1bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05272",
    "kind": "arxiv",
    "version": 1
  }
}