Pith Number

pith:4Q5SVIMF

pith:2019:4Q5SVIMFG5QEGLWAIOH53Z4KCS

not attested not anchored not stored refs pending

The PhotoBook Dataset: Building Common Ground through Visually-Grounded Dialogue

Ece Takmaz, Elia Bruni, Janosch Haber, Lieke Gelderloos, Raquel Fern\'andez, Tim Baumg\"artner

arxiv:1906.01530 v2 · 2019-06-04 · cs.CL · cs.AI · 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{4Q5SVIMFG5QEGLWAIOH53Z4KCS}

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	2026-05-17T23:42:13.373457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e43b2aa1853760432ec0438fdde78a14803d7ce99eaacbb6078ea6648bc95334

Aliases

arxiv: 1906.01530 · arxiv_version: 1906.01530v2 · doi: 10.48550/arxiv.1906.01530 · pith_short_12: 4Q5SVIMFG5QE · pith_short_16: 4Q5SVIMFG5QEGLWA · pith_short_8: 4Q5SVIMF

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/4Q5SVIMFG5QEGLWAIOH53Z4KCS \
  | 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: e43b2aa1853760432ec0438fdde78a14803d7ce99eaacbb6078ea6648bc95334

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21f120b5ec87084a987b921e0e68f247284389248b517c5cb0b463027ff28794",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-04T15:41:32Z",
    "title_canon_sha256": "9eed07f58c50c9a1b359640f9042177652723b976f90dd00b074ee6bcc9edd26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01530",
    "kind": "arxiv",
    "version": 2
  }
}