Pith Number

pith:3TSSXNMK

pith:2018:3TSSXNMKK7R6I4G4N6VH3UG6CN

not attested not anchored not stored refs pending

Simple Surveys: Response Retrieval Inspired by Recommendation Systems

James Evans, Nandana Sengupta, Nati Srebro

arxiv:1901.09659 v1 · 2018-12-11 · cs.SI · cs.CY · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3TSSXNMKK7R6I4G4N6VH3UG6CN}

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	2026-05-17T23:55:24.190523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dce52bb58a57e3e470dc6faa7dd0de135b9297b8a922a291a11f575987615ad6

Aliases

arxiv: 1901.09659 · arxiv_version: 1901.09659v1 · doi: 10.48550/arxiv.1901.09659 · pith_short_12: 3TSSXNMKK7R6 · pith_short_16: 3TSSXNMKK7R6I4G4 · pith_short_8: 3TSSXNMK

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/3TSSXNMKK7R6I4G4N6VH3UG6CN \
  | 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: dce52bb58a57e3e470dc6faa7dd0de135b9297b8a922a291a11f575987615ad6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "426faa519492235ab5256341ae5a33aceb4a478239c70d638611a5beee59be4a",
    "cross_cats_sorted": [
      "cs.CY",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-12-11T05:18:11Z",
    "title_canon_sha256": "8ce439af00ea34eaf5c15383431a8cc8a4690a2ee0ceaa4bf7a6e23d02f30e66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09659",
    "kind": "arxiv",
    "version": 1
  }
}