Pith Number

pith:63TPCUAB

pith:2019:63TPCUABMAZ4DRNSJWXYQZYT5Z

not attested not anchored not stored refs pending

Decomposing multispectral face images into diffuse and specular shading and biophysical parameters

Sarah Alotaibi, William A. P. Smith

arxiv:1902.06557 v1 · 2019-02-18 · 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{63TPCUABMAZ4DRNSJWXYQZYT5Z}

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	2026-05-17T23:53:45.137765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6e6f150016033c1c5b24daf886713ee4c47d0c003815738e6aec8093e3894dd

Aliases

arxiv: 1902.06557 · arxiv_version: 1902.06557v1 · doi: 10.48550/arxiv.1902.06557 · pith_short_12: 63TPCUABMAZ4 · pith_short_16: 63TPCUABMAZ4DRNS · pith_short_8: 63TPCUAB

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/63TPCUABMAZ4DRNSJWXYQZYT5Z \
  | 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: f6e6f150016033c1c5b24daf886713ee4c47d0c003815738e6aec8093e3894dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "656c6a7b37bd7081da831f500f45dd4243b07dc9dcb77dd16f4ffa620ea526d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-18T13:09:35Z",
    "title_canon_sha256": "d6911b9c384805caa52c345e6602cf8a6aab9b76789b54d189799d809f583f45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06557",
    "kind": "arxiv",
    "version": 1
  }
}