Pith Number

pith:NNAFVJMN

pith:2015:NNAFVJMN6K4ZHCZN246BBBHODM

not attested not anchored not stored refs pending

Seeing Behind the Camera: Identifying the Authorship of a Photograph

Adriana Kovashka, Christopher Thomas

arxiv:1508.05038 v3 · 2015-08-20 · 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{NNAFVJMN6K4ZHCZN246BBBHODM}

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	2026-05-18T01:13:09.628096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b405aa58df2b9938b2dd73c1084ee1b33f200d6d1ad11336e7efd3244d75cb5

Aliases

arxiv: 1508.05038 · arxiv_version: 1508.05038v3 · doi: 10.48550/arxiv.1508.05038 · pith_short_12: NNAFVJMN6K4Z · pith_short_16: NNAFVJMN6K4ZHCZN · pith_short_8: NNAFVJMN

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/NNAFVJMN6K4ZHCZN246BBBHODM \
  | 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: 6b405aa58df2b9938b2dd73c1084ee1b33f200d6d1ad11336e7efd3244d75cb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "299666c3aa60a1dae63d3b8ce1f71539da0cfde1b06b5fad35c8f00cf4fd256a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-08-20T16:45:17Z",
    "title_canon_sha256": "7f09dce1b43ff56c1a573def60631473d0472d8bbb6d6059605b2880873f0314"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05038",
    "kind": "arxiv",
    "version": 3
  }
}