Pith Number

pith:E3L6A2UX

pith:2019:E3L6A2UXGOBFQ3UMFERH5QBCXF

not attested not anchored not stored refs pending

Photo-Sketching: Inferring Contour Drawings from Images

Deva Ramanan, Ersin Yumer, Mengtian Li, Radomir Mech, Zhe Lin

arxiv:1901.00542 v1 · 2019-01-02 · 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{E3L6A2UXGOBFQ3UMFERH5QBCXF}

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	2026-05-17T23:57:02.207515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26d7e06a973382586e8c29227ec022b95596b2b97be92a09771d157f45f6465b

Aliases

arxiv: 1901.00542 · arxiv_version: 1901.00542v1 · doi: 10.48550/arxiv.1901.00542 · pith_short_12: E3L6A2UXGOBF · pith_short_16: E3L6A2UXGOBFQ3UM · pith_short_8: E3L6A2UX

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/E3L6A2UXGOBFQ3UMFERH5QBCXF \
  | 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: 26d7e06a973382586e8c29227ec022b95596b2b97be92a09771d157f45f6465b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acf2d23d736846f98f927a4f00c9085dcfa65efb4fc3dc4fa164d00c8700bd6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-02T21:59:44Z",
    "title_canon_sha256": "aa2b4903a76477f184bd529eb60ad83b5126af98caddf5d3c2077e96ff52b8e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00542",
    "kind": "arxiv",
    "version": 1
  }
}