Pith Number

pith:DUFIOCJD

pith:2014:DUFIOCJDGQ3Q2LQE44DYWGGKY4

not attested not anchored not stored refs pending

Testing for Synchronization

Mikhail V. Berlinkov

arxiv:1401.2553 v4 · 2014-01-11 · cs.FL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DUFIOCJDGQ3Q2LQE44DYWGGKY4}

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	2026-05-17T23:51:00.779673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d0a87092334370d2e04e7078b18cac707af692b8214fa83c490aef09adb6a39

Aliases

arxiv: 1401.2553 · arxiv_version: 1401.2553v4 · doi: 10.48550/arxiv.1401.2553 · pith_short_12: DUFIOCJDGQ3Q · pith_short_16: DUFIOCJDGQ3Q2LQE · pith_short_8: DUFIOCJD

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/DUFIOCJDGQ3Q2LQE44DYWGGKY4 \
  | 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: 1d0a87092334370d2e04e7078b18cac707af692b8214fa83c490aef09adb6a39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "284e6dda0f2ed3b8a07565f5d4fc76f00ba98e2d98a1ca78683c4950c7d66458",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2014-01-11T18:04:38Z",
    "title_canon_sha256": "e81b9d16f32dcc73e1a9108027eaf7c98e59698e93e3a6ae1a4cbca93423e67b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2553",
    "kind": "arxiv",
    "version": 4
  }
}