Pith Number

pith:UWKAQE7R

pith:2015:UWKAQE7RQRMWZ7JRZ4NNV4V7HQ

not attested not anchored not stored refs pending

Almost Instantaneous Fix-to-Variable Length Codes

Hirosuke Yamamoto, Junya Honda, Masato Tsuchihashi

arxiv:1507.08733 v1 · 2015-07-31 · 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{UWKAQE7RQRMWZ7JRZ4NNV4V7HQ}

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	2026-05-18T01:36:03.018803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5940813f184596cfd31cf1adaf2bf3c0e7ec63091c91057bf6c046c985e4bd4

Aliases

arxiv: 1507.08733 · arxiv_version: 1507.08733v1 · doi: 10.48550/arxiv.1507.08733 · pith_short_12: UWKAQE7RQRMW · pith_short_16: UWKAQE7RQRMWZ7JR · pith_short_8: UWKAQE7R

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/UWKAQE7RQRMWZ7JRZ4NNV4V7HQ \
  | 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: a5940813f184596cfd31cf1adaf2bf3c0e7ec63091c91057bf6c046c985e4bd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcab700052cbae3c1a63cb27329aaaec9f21d9aaf865749457977012f69aa32d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-07-31T02:42:08Z",
    "title_canon_sha256": "c96b66be27e79357fae4d89f7032593d9dcd3f1a85a48e7e8dfb0221b14cc2a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08733",
    "kind": "arxiv",
    "version": 1
  }
}