Pith Number

pith:3POTIIB5

pith:2019:3POTIIB5Z5BEMGTWKZIJFP4WRX

not attested not anchored not stored refs pending

Non-destructive three-dimensional measurement of hand vein based on self-supervised network

Jing Han, Jinzhou Ge, Qixin Wang, Xiaoyu Chen, Yi Zhang

arxiv:1907.00215 v1 · 2019-06-29 · 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{3POTIIB5Z5BEMGTWKZIJFP4WRX}

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	2026-05-17T23:41:52.481122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbdd34203dcf42461a76565092bf968dd12670869bb74b3af4c01611326b99cf

Aliases

arxiv: 1907.00215 · arxiv_version: 1907.00215v1 · doi: 10.48550/arxiv.1907.00215 · pith_short_12: 3POTIIB5Z5BE · pith_short_16: 3POTIIB5Z5BEMGTW · pith_short_8: 3POTIIB5

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/3POTIIB5Z5BEMGTWKZIJFP4WRX \
  | 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: dbdd34203dcf42461a76565092bf968dd12670869bb74b3af4c01611326b99cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a28ee18602c680bb79de8e931e4d0c0d1679d011455ea4e5521f337e8ffaa08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-29T15:01:16Z",
    "title_canon_sha256": "5e78cbc3acd3dfc681a37e89748cceacd20a02db2e5b076bd69a1f9ed4325b50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00215",
    "kind": "arxiv",
    "version": 1
  }
}