Pith Number

pith:P2WDBMOD

pith:2013:P2WDBMODEDH6KFH4FHRBSBFXR5

not attested not anchored not stored refs pending

Automated Switching System for Skin Pixel Segmentation in Varied Lighting

Ankit Chaudhary, Ankur Gupta

arxiv:1304.4711 v1 · 2013-04-17 · 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{P2WDBMODEDH6KFH4FHRBSBFXR5}

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	2026-05-18T03:27:43.899581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7eac30b1c320cfe514fc29e21904b78f5f98047ffce3acc9a15eba4e78cd8e57

Aliases

arxiv: 1304.4711 · arxiv_version: 1304.4711v1 · doi: 10.48550/arxiv.1304.4711 · pith_short_12: P2WDBMODEDH6 · pith_short_16: P2WDBMODEDH6KFH4 · pith_short_8: P2WDBMOD

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/P2WDBMODEDH6KFH4FHRBSBFXR5 \
  | 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: 7eac30b1c320cfe514fc29e21904b78f5f98047ffce3acc9a15eba4e78cd8e57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12ce11385926afe816216c28d8f38e24b9cf78c5c29029ee89d054d3a4563754",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-04-17T07:07:52Z",
    "title_canon_sha256": "c78af67484d2999981c876f123f8c3cb27105eda90efa98bc786a488cb0937b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4711",
    "kind": "arxiv",
    "version": 1
  }
}