Pith Number

pith:XQL7DGXB

pith:2020:XQL7DGXBSAWIGCREYK4PTQNIF7

not attested not anchored not stored refs pending

Footprints and Free Space from a Single Color Image

Aron Monszpart, Gabriel J. Brostow, Jamie Watson, Michael Firman

arxiv:2004.06376 v1 · 2020-04-14 · 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{XQL7DGXBSAWIGCREYK4PTQNIF7}

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	2026-07-05T00:54:51.666192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc17f19ae1902c830a24c2b8f9c1a82fc8711077110b802305765213558ad2f4

Aliases

arxiv: 2004.06376 · arxiv_version: 2004.06376v1 · doi: 10.48550/arxiv.2004.06376 · pith_short_12: XQL7DGXBSAWI · pith_short_16: XQL7DGXBSAWIGCRE · pith_short_8: XQL7DGXB

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/XQL7DGXBSAWIGCREYK4PTQNIF7 \
  | 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: bc17f19ae1902c830a24c2b8f9c1a82fc8711077110b802305765213558ad2f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df20b7dfaca1e659d83d3a64ce9a2125419bb25bd7e82d27cc277432ec389bb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-04-14T09:29:17Z",
    "title_canon_sha256": "1fae6373c86976bf822d2b989131d83695659222c116ae89bf95a16e2d71e71c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.06376",
    "kind": "arxiv",
    "version": 1
  }
}