Pith Number

pith:A36RQ3JG

pith:2009:A36RQ3JG5IZPQH7IP3L6UZWES4

not attested not anchored not stored refs pending

Frustratingly Easy Domain Adaptation

Hal Daum\'e III

arxiv:0907.1815 v1 · 2009-07-10 · cs.LG · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A36RQ3JG5IZPQH7IP3L6UZWES4}

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.

Cited by

1 paper in Pith

Pose Estimation for Non-Cooperative Rendezvous Using Neural Networks

Receipt and verification

First computed	2026-07-04T15:45:59.575311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06fd186d26ea32f81fe87ed7ea66c49716bd08254c08448a63e7e403181c905e

Aliases

arxiv: 0907.1815 · arxiv_version: 0907.1815v1 · doi: 10.48550/arxiv.0907.1815 · pith_short_12: A36RQ3JG5IZP · pith_short_16: A36RQ3JG5IZPQH7I · pith_short_8: A36RQ3JG

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/A36RQ3JG5IZPQH7IP3L6UZWES4 \
  | 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: 06fd186d26ea32f81fe87ed7ea66c49716bd08254c08448a63e7e403181c905e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62f9811453f1f0bcbe1d4d873a1f6bdd2a39e29161f879a3108e94fc90561d1f",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2009-07-10T13:25:48Z",
    "title_canon_sha256": "6d09211a73047edf3bdd8acf134b4b609236fbbf940ef93b82c8280d3857d874"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1815",
    "kind": "arxiv",
    "version": 1
  }
}