Pith Number

pith:IJK4TDQI

pith:2020:IJK4TDQIUIBUF7Q73QUG2TX5L3

not attested not anchored not stored refs pending

Camera Trace Erasing

Chang Chen, Feng Wu, Xiaoming Liu, Zhiwei Xiong

arxiv:2003.06951 v1 · 2020-03-16 · eess.IV · 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{IJK4TDQIUIBUF7Q73QUG2TX5L3}

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	2026-07-05T00:48:08.063767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4255c98e08a20342fe1fdc286d4efd5eff351af0d18e249352e5b7692280d6d9

Aliases

arxiv: 2003.06951 · arxiv_version: 2003.06951v1 · doi: 10.48550/arxiv.2003.06951 · pith_short_12: IJK4TDQIUIBU · pith_short_16: IJK4TDQIUIBUF7Q7 · pith_short_8: IJK4TDQI

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/IJK4TDQIUIBUF7Q73QUG2TX5L3 \
  | 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: 4255c98e08a20342fe1fdc286d4efd5eff351af0d18e249352e5b7692280d6d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "051027a5018163a2d56b20397e3107243435785ce6e5f919fc55aa1ba5e67fd2",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-03-16T00:09:55Z",
    "title_canon_sha256": "3ba9ea633888ab5db57f1f07c7d00ca6a57a9fce4de52259465db347e6117782"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.06951",
    "kind": "arxiv",
    "version": 1
  }
}