Pith Number

pith:GYUTVM4D

pith:2016:GYUTVM4DGM6GEZVFZ22XTDKDEX

not attested not anchored not stored refs pending

Color Homography

Graham D. Finlayson, Han Gong, Robert B. Fisher

arxiv:1605.04250 v2 · 2016-05-13 · 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{GYUTVM4DGM6GEZVFZ22XTDKDEX}

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	2026-05-18T01:10:14.350499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36293ab383333c6266a5ceb5798d4325fc2bfe0c828ca8803a7f0f6bf07960e6

Aliases

arxiv: 1605.04250 · arxiv_version: 1605.04250v2 · doi: 10.48550/arxiv.1605.04250 · pith_short_12: GYUTVM4DGM6G · pith_short_16: GYUTVM4DGM6GEZVF · pith_short_8: GYUTVM4D

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/GYUTVM4DGM6GEZVFZ22XTDKDEX \
  | 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: 36293ab383333c6266a5ceb5798d4325fc2bfe0c828ca8803a7f0f6bf07960e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c77ea0053dfc6ad0703cba36c399a80c9dfdda9b491407b48988e2876ab806fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-05-13T16:56:10Z",
    "title_canon_sha256": "9dd4db66de17b919c57d06c5853cd07719b158fbc2bbea80e83758870c91cb45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04250",
    "kind": "arxiv",
    "version": 2
  }
}