Pith Number

pith:BI5V5HTL

pith:2020:BI5V5HTL6R4NAFI2EUENOI6PEC

not attested not anchored not stored refs pending

Modeling Information Need of Users in Search Sessions

Ellie Ka In Chio, Georgios Roumpos, Heng-Tze Cheng, Kishaloy Halder, Ritesh Agarwal, Tao Wu

arxiv:2001.00861 v1 · 2020-01-03 · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BI5V5HTL6R4NAFI2EUENOI6PEC}

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	2026-07-05T00:29:33.063748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a3b5e9e6bf478d0151a2508d723cf2091642d73261613d09d6739a020985a47

Aliases

arxiv: 2001.00861 · arxiv_version: 2001.00861v1 · doi: 10.48550/arxiv.2001.00861 · pith_short_12: BI5V5HTL6R4N · pith_short_16: BI5V5HTL6R4NAFI2 · pith_short_8: BI5V5HTL

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/BI5V5HTL6R4NAFI2EUENOI6PEC \
  | 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: 0a3b5e9e6bf478d0151a2508d723cf2091642d73261613d09d6739a020985a47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "569817450dce885812f271a7f09769de61d97a214108db6a61f025a531365901",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-01-03T15:25:45Z",
    "title_canon_sha256": "3577363dc7bb87d777fcd6d4019cf7d7f839231f98ceba994461d965ad7a0418"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.00861",
    "kind": "arxiv",
    "version": 1
  }
}