Pith Number

pith:EKRXZRY3

pith:2015:EKRXZRY32PHF3KJWHHGTDWGWTK

not attested not anchored not stored refs pending

Lossless Secure Source Coding: Yamamoto's Setting

Fady Alajaji, Shahab Asoodeh, Tam\'as Linder

arxiv:1510.01783 v1 · 2015-10-06 · 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{EKRXZRY32PHF3KJWHHGTDWGWTK}

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	2026-05-18T01:30:50.390205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22a37cc71bd3ce5da93639cd31d8d69aaaed72a22e1f151ad764809b83992716

Aliases

arxiv: 1510.01783 · arxiv_version: 1510.01783v1 · doi: 10.48550/arxiv.1510.01783 · pith_short_12: EKRXZRY32PHF · pith_short_16: EKRXZRY32PHF3KJW · pith_short_8: EKRXZRY3

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/EKRXZRY32PHF3KJWHHGTDWGWTK \
  | 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: 22a37cc71bd3ce5da93639cd31d8d69aaaed72a22e1f151ad764809b83992716

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80d7f1af30465d390215de54aa299a17972a94c512203eba5f3cb07e6f64231b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-10-06T23:45:19Z",
    "title_canon_sha256": "6a805a1dcd1bc2739340850d526cf447fb8b1b87ac69536f68d7efcd543ee322"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01783",
    "kind": "arxiv",
    "version": 1
  }
}