Pith Number

pith:DZJZEQUK

pith:2014:DZJZEQUKGCOWCAE5KLHTM7U25X

not attested not anchored not stored refs pending

Interactive Function Computation via Polar Coding

Alexander Barg, Talha Cihad Gulcu

arxiv:1405.0894 v2 · 2014-05-05 · 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{DZJZEQUKGCOWCAE5KLHTM7U25X}

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	2026-05-18T01:28:14.951041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e5392428a309d61009d52cf367e9aede5c9f63c862064f3c69be5d48e18bf13

Aliases

arxiv: 1405.0894 · arxiv_version: 1405.0894v2 · doi: 10.48550/arxiv.1405.0894 · pith_short_12: DZJZEQUKGCOW · pith_short_16: DZJZEQUKGCOWCAE5 · pith_short_8: DZJZEQUK

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/DZJZEQUKGCOWCAE5KLHTM7U25X \
  | 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: 1e5392428a309d61009d52cf367e9aede5c9f63c862064f3c69be5d48e18bf13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdb97c3c5b534bdae37ac11b7dd9db1361ff6901f82a0f9f6c36ab3066258a14",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-05-05T13:36:18Z",
    "title_canon_sha256": "17a95a6ea8e38c37dd6954e6a114d0dd08379c68dbb454b88e16e6efb0760e0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0894",
    "kind": "arxiv",
    "version": 2
  }
}