Pith Number

pith:PDZTILLT

pith:2019:PDZTILLT6UIQDILREMXZLAAC2J

not attested not anchored not stored refs pending

On the Scalar-Help-Vector Source Coding Problem

C. Deng, Q. Zhang, S. Wu

arxiv:1904.05179 v5 · 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{PDZTILLT6UIQDILREMXZLAAC2J}

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	2026-07-05T00:18:50.992511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78f3342d73f51101a171232f958002d27e9d4c4cd7c16ed81809523a69546c19

Aliases

arxiv: 1904.05179 · arxiv_version: 1904.05179v5 · doi: 10.48550/arxiv.1904.05179 · pith_short_12: PDZTILLT6UIQ · pith_short_16: PDZTILLT6UIQDILR · pith_short_8: PDZTILLT

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/PDZTILLT6UIQDILREMXZLAAC2J \
  | 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: 78f3342d73f51101a171232f958002d27e9d4c4cd7c16ed81809523a69546c19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dd00b931332a9ce1546855e64b320e933d9948f6ed01d3e827ea07ca863a00a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-04-10T13:38:20Z",
    "title_canon_sha256": "48293a0d0b8e4873dafb8773e3bbe6f8dff225fd59057c407cee3499aa1b3f07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05179",
    "kind": "arxiv",
    "version": 5
  }
}