Pith Number

pith:HACKBPQX

pith:2018:HACKBPQXJLKKBZXETLDQEZM2J4

not attested not anchored not stored refs pending

Distributed Frequency Offsets Estimation

Jian Du, Shaodan Ma

arxiv:1801.07246 v2 · 2018-01-19 · 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{HACKBPQXJLKKBZXETLDQEZM2J4}

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	2026-05-18T00:23:52.070666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3804a0be174ad4a0e6e49ac702659a4f253fad09c3a6d5f4eab2b470504c2455

Aliases

arxiv: 1801.07246 · arxiv_version: 1801.07246v2 · doi: 10.48550/arxiv.1801.07246 · pith_short_12: HACKBPQXJLKK · pith_short_16: HACKBPQXJLKKBZXE · pith_short_8: HACKBPQX

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/HACKBPQXJLKKBZXETLDQEZM2J4 \
  | 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: 3804a0be174ad4a0e6e49ac702659a4f253fad09c3a6d5f4eab2b470504c2455

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2840016c5ffb956184ca4c2a33d017097028f90df64f68346f5fd56b6cc83fe",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-01-19T21:10:01Z",
    "title_canon_sha256": "8dcd31f9a4351b5d82c567d5c49503f9c191eb15d281dc75871523213dc98742"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07246",
    "kind": "arxiv",
    "version": 2
  }
}