Pith Number

pith:ZOKM5SRE

pith:2026:ZOKM5SREZMZ7I3WPAXAB3QXU47

not attested not anchored not stored refs pending

An Information-Theoretic Metric for Semantic Value of Spatiotemporal Information

Siyu Lin, Wei Feng, Zhijin Qin, Zijing Wang

arxiv:2606.26844 v1 · 2026-06-25 · 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{ZOKM5SREZMZ7I3WPAXAB3QXU47}

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	2026-06-26T01:16:01.450173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb94ceca24cb33f46ecf05c01dc2f4e7dfd70a00b8b09481c7b1f59fbb306ec9

Aliases

arxiv: 2606.26844 · arxiv_version: 2606.26844v1 · doi: 10.48550/arxiv.2606.26844 · pith_short_12: ZOKM5SREZMZ7 · pith_short_16: ZOKM5SREZMZ7I3WP · pith_short_8: ZOKM5SRE

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/ZOKM5SREZMZ7I3WPAXAB3QXU47 \
  | 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: cb94ceca24cb33f46ecf05c01dc2f4e7dfd70a00b8b09481c7b1f59fbb306ec9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "160e894541c064f024f16556252ddc026bcf33689b8844d1f074af5d8c558307",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2026-06-25T10:30:57Z",
    "title_canon_sha256": "24263e0a25347b45b7fdaac094e13902a76698c470b61a35b449ec5a499a05b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26844",
    "kind": "arxiv",
    "version": 1
  }
}