Pith Number

pith:PQ5HFG3A

pith:2022:PQ5HFG3AQCSNKNKKGN7BFGPXTS

not attested not anchored not stored refs pending

Propagation Map Reconstruction via Interpolation Assisted Matrix Completion

Hao Sun, Junting Chen

arxiv:2207.13473 v2 · 2022-07-27 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQ5HFG3AQCSNKNKKGN7BFGPXTS}

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	2026-07-05T05:35:17.757498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c3a729b6080a4d5354a337e1299f79cbdb3e47bbbf56a613c31f630c3e26230

Aliases

arxiv: 2207.13473 · arxiv_version: 2207.13473v2 · doi: 10.48550/arxiv.2207.13473 · pith_short_12: PQ5HFG3AQCSN · pith_short_16: PQ5HFG3AQCSNKNKK · pith_short_8: PQ5HFG3A

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/PQ5HFG3AQCSNKNKKGN7BFGPXTS \
  | 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: 7c3a729b6080a4d5354a337e1299f79cbdb3e47bbbf56a613c31f630c3e26230

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a41dcd865d8ff5afea6bd9dc5191327356eb55e17d2e91433288492b3e4d7e14",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2022-07-27T11:44:51Z",
    "title_canon_sha256": "2dd527d925faf5d38810b45fbb0d64c3bd2b2c2d160a03af0b5ba5ecbb0cddcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.13473",
    "kind": "arxiv",
    "version": 2
  }
}