Pith Number

pith:5AT4CVIB

pith:2020:5AT4CVIB3D6SFTHCZM3IRQQ5MA

not attested not anchored not stored refs pending

Portrait Shadow Manipulation

David E. Jacobs, Jonathan T. Barron, Ren Ng, Rohit Pandey, Xiuming Zhang, Xuaner Cecilia Zhang, Yun-Ta Tsai

arxiv:2005.08925 v2 · 2020-05-18 · cs.CV · cs.GR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5AT4CVIB3D6SFTHCZM3IRQQ5MA}

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	2026-07-05T01:04:42.881639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e827c15501d8fd22cce2cb3688c21d6029699bc5ab0236948f5037e12c26bc69

Aliases

arxiv: 2005.08925 · arxiv_version: 2005.08925v2 · doi: 10.48550/arxiv.2005.08925 · pith_short_12: 5AT4CVIB3D6S · pith_short_16: 5AT4CVIB3D6SFTHC · pith_short_8: 5AT4CVIB

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/5AT4CVIB3D6SFTHCZM3IRQQ5MA \
  | 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: e827c15501d8fd22cce2cb3688c21d6029699bc5ab0236948f5037e12c26bc69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1a6ff44541b00f2c099e74033f5452a20a10e33b2bfef48b58567a2b4caa25e",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-05-18T17:51:34Z",
    "title_canon_sha256": "815f514877de039b246d4877254145857cdf32668f3f48050875586aa5eef564"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.08925",
    "kind": "arxiv",
    "version": 2
  }
}