Pith Number

pith:34ULKCUY

pith:2017:34ULKCUYNJCBE6U6MYLIER5SA4

not attested not anchored not stored refs pending

Efficient Spatial Variation Characterization via Matrix Completion

Duane Boning, Hongge Chen, Zheng Zhang

arxiv:1703.09876 v1 · 2017-03-29 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{34ULKCUYNJCBE6U6MYLIER5SA4}

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	2026-05-18T00:47:39.177837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df28b50a986a44127a9e66168247b20702a9a5bfc207dbf625bcb5ad1a278987

Aliases

arxiv: 1703.09876 · arxiv_version: 1703.09876v1 · doi: 10.48550/arxiv.1703.09876 · pith_short_12: 34ULKCUYNJCB · pith_short_16: 34ULKCUYNJCBE6U6 · pith_short_8: 34ULKCUY

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/34ULKCUYNJCBE6U6MYLIER5SA4 \
  | 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: df28b50a986a44127a9e66168247b20702a9a5bfc207dbf625bcb5ad1a278987

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23ada52d88439f557ff11ef6d40a23540a9340d55016d09d4d7d7772be3309bd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2017-03-29T03:48:14Z",
    "title_canon_sha256": "aa82faee57437bfdd806c6b0b67034c58c43ad57df6120227c014e36b686deca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09876",
    "kind": "arxiv",
    "version": 1
  }
}