Pith Number

pith:ETXRIQWW

pith:2024:ETXRIQWWYDBV7H3XOMKYFU3MRA

not attested not anchored not stored refs pending

Multi-answer Constrained Optimal Querying: Maximum Information Gain Coding

Pingyi Fan, Zhefan Li

arxiv:2405.16753 v1 · 2024-05-27 · 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{ETXRIQWWYDBV7H3XOMKYFU3MRA}

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	2026-07-05T08:23:34.988776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24ef1442d6c0c35f9f77731582d36c88148b25562c7c44f51978f87b4f8c2c84

Aliases

arxiv: 2405.16753 · arxiv_version: 2405.16753v1 · doi: 10.48550/arxiv.2405.16753 · pith_short_12: ETXRIQWWYDBV · pith_short_16: ETXRIQWWYDBV7H3X · pith_short_8: ETXRIQWW

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/ETXRIQWWYDBV7H3XOMKYFU3MRA \
  | 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: 24ef1442d6c0c35f9f77731582d36c88148b25562c7c44f51978f87b4f8c2c84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3de5047f191d0707dd3dadf8d93f40b53438989899da00aa4e56c307054ef06",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2024-05-27T01:53:53Z",
    "title_canon_sha256": "840c62f7a58f2b4f7a77bc2e81a21e907e52d0fa30c1c3e5b3227d26cbfb3d40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.16753",
    "kind": "arxiv",
    "version": 1
  }
}