Pith Number

pith:ICAYP4ZH

pith:2019:ICAYP4ZHQ3PXXRDSI2O2TBHLC7

not attested not anchored not stored refs pending

Learning to Take Good Pictures of People with a Robot Photographer

Akansel Cosgun, Mehmet Koseoglu, Rhys Newbury, Tom Drummond

arxiv:1904.05688 v1 · 2019-04-11 · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ICAYP4ZHQ3PXXRDSI2O2TBHLC7}

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	2026-05-17T23:48:48.744572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

408187f32786df7bc472469da984eb17e14f09efdddabcd4eb2e2be59a9db55c

Aliases

arxiv: 1904.05688 · arxiv_version: 1904.05688v1 · doi: 10.48550/arxiv.1904.05688 · pith_short_12: ICAYP4ZHQ3PX · pith_short_16: ICAYP4ZHQ3PXXRDS · pith_short_8: ICAYP4ZH

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/ICAYP4ZHQ3PXXRDSI2O2TBHLC7 \
  | 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: 408187f32786df7bc472469da984eb17e14f09efdddabcd4eb2e2be59a9db55c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c304303cbbd1cdc8b46b7a1509f69cc44d0fe7eb9c8a5c2e01d7d705fc6623c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-04-11T13:38:45Z",
    "title_canon_sha256": "35b6c3779e6e248b678915afce02d8215d45a53815192d1ecd01c0b05ef28d94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05688",
    "kind": "arxiv",
    "version": 1
  }
}