Pith Number

pith:C2UJSFE3

pith:2011:C2UJSFE3GVSYIHYUP4C7S2MM4A

not attested not anchored not stored refs pending

PRESY: A Context Based Query Reformulation Tool for Information Retrieval on the Web

Abdelkrim Bouramoul, Bich-Lien Doan, Mohamed-Khireddine Kholladi

arxiv:1106.2289 v1 · 2011-06-12 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2UJSFE3GVSYIHYUP4C7S2MM4A}

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	2026-05-18T04:20:06.093957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16a899149b3565841f147f05f9698ce01272dfec31606baadd9c7162e5207d5b

Aliases

arxiv: 1106.2289 · arxiv_version: 1106.2289v1 · doi: 10.48550/arxiv.1106.2289 · pith_short_12: C2UJSFE3GVSY · pith_short_16: C2UJSFE3GVSYIHYU · pith_short_8: C2UJSFE3

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/C2UJSFE3GVSYIHYUP4C7S2MM4A \
  | 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: 16a899149b3565841f147f05f9698ce01272dfec31606baadd9c7162e5207d5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ed32824a084822946928f91e4eca0c9d33a11dc70dc338898280a0e626f7519",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2011-06-12T08:41:40Z",
    "title_canon_sha256": "654bca6ef61f87194d946f413b4503c6f56493a81862a21ce85387b057098e70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2289",
    "kind": "arxiv",
    "version": 1
  }
}