Pith Number

pith:PGPHEPXD

pith:2026:PGPHEPXDIRPOBO2LPQ2G5D6D6L

not attested not anchored not stored refs pending

Bridging Data Trials and Task Barriers: A Unified Framework for Sketch Biometric Identification

Bin Hu, Chunlei Peng, Dawei Zhou, Decheng Liu, Nannan Wang, Ruimin Hu, Xinbo Gao

arxiv:2605.17367 v1 · 2026-05-17 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PGPHEPXDIRPOBO2LPQ2G5D6D6L}

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	2026-05-20T00:03:54.778397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

799e723ee3445ee0bb4b7c346e8fc3f2e1fc7bf12a97ac163770a83d33c235d3

Aliases

arxiv: 2605.17367 · arxiv_version: 2605.17367v1 · doi: 10.48550/arxiv.2605.17367 · pith_short_12: PGPHEPXDIRPO · pith_short_16: PGPHEPXDIRPOBO2L · pith_short_8: PGPHEPXD

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/PGPHEPXDIRPOBO2LPQ2G5D6D6L \
  | 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: 799e723ee3445ee0bb4b7c346e8fc3f2e1fc7bf12a97ac163770a83d33c235d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c3f1e9a3062adc47d233b2a4134266470cd0a0b856269647af1fa2892ef02e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-05-17T10:20:57Z",
    "title_canon_sha256": "4abb98b760702a56d6c6b92dbf9d58698809033a4d2a904ee3deacde62f9c7e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17367",
    "kind": "arxiv",
    "version": 1
  }
}