Pith Number

pith:UETH7B3N

pith:2017:UETH7B3NSQWB53EYGQURKI23K2

not attested not anchored not stored refs pending

Distributed Task Encoding

Amos Lapidoth, Annina Bracher, Christoph Pfister

arxiv:1705.02247 v1 · 2017-05-05 · 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{UETH7B3NSQWB53EYGQURKI23K2}

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	2026-05-18T00:45:00.320736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1267f876d942c1eec98342915235b568240259e147b3b2ffb9e690c753632fe

Aliases

arxiv: 1705.02247 · arxiv_version: 1705.02247v1 · doi: 10.48550/arxiv.1705.02247 · pith_short_12: UETH7B3NSQWB · pith_short_16: UETH7B3NSQWB53EY · pith_short_8: UETH7B3N

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/UETH7B3NSQWB53EYGQURKI23K2 \
  | 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: a1267f876d942c1eec98342915235b568240259e147b3b2ffb9e690c753632fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a3fdb79aac13a010b25d6b560137571780c502c23bc1d3898bd8e1bb6635479",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-05-05T15:05:39Z",
    "title_canon_sha256": "b4ab46b5cb55c95da3b9170e1166fe6bbfdac66a75f2bc95017664b5e2f6812e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02247",
    "kind": "arxiv",
    "version": 1
  }
}