Pith Number

pith:WT7YEH5E

pith:2017:WT7YEH5EYDWDLYZ6CBECUNERXX

not attested not anchored not stored refs pending

Uncoded Placement Optimization for Coded Delivery

Giuseppe Caire, Hui Liu, Sian Jin, Ying Cui

arxiv:1709.06462 v3 · 2017-09-19 · 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{WT7YEH5EYDWDLYZ6CBECUNERXX}

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	2026-05-18T00:11:18.655213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4ff821fa4c0ec35e33e10482a3491bdcb7ea85f9aedd1580acac726d977296e

Aliases

arxiv: 1709.06462 · arxiv_version: 1709.06462v3 · doi: 10.48550/arxiv.1709.06462 · pith_short_12: WT7YEH5EYDWD · pith_short_16: WT7YEH5EYDWDLYZ6 · pith_short_8: WT7YEH5E

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/WT7YEH5EYDWDLYZ6CBECUNERXX \
  | 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: b4ff821fa4c0ec35e33e10482a3491bdcb7ea85f9aedd1580acac726d977296e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07942784f1d2ea6e54cf08b753364a60a9a50f27cd6fea4c583aabc5e033ea6d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-09-19T14:41:01Z",
    "title_canon_sha256": "f4723ff77264fc085cbe5dbdecd6fc7a8cc932716ade3ef1b9c51664d330d075"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06462",
    "kind": "arxiv",
    "version": 3
  }
}