Pith Number

pith:6PC6N52E

pith:2014:6PC6N52EO5XKOPDKYP3FE7VQIQ

not attested not anchored not stored refs pending

Chaff from the Wheat : Characterization and Modeling of Deleted Questions on Stack Overflow

Ashish Sureka, Denzil Correa

arxiv:1401.0480 v1 · 2014-01-02 · cs.IR · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6PC6N52EO5XKOPDKYP3FE7VQIQ}

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	2026-05-18T03:03:23.115112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3c5e6f744776ea73c6ac3f6527eb0443b1fa43ef843ef7f4bab5dbb5d980029

Aliases

arxiv: 1401.0480 · arxiv_version: 1401.0480v1 · doi: 10.48550/arxiv.1401.0480 · pith_short_12: 6PC6N52EO5XK · pith_short_16: 6PC6N52EO5XKOPDK · pith_short_8: 6PC6N52E

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/6PC6N52EO5XKOPDKYP3FE7VQIQ \
  | 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: f3c5e6f744776ea73c6ac3f6527eb0443b1fa43ef843ef7f4bab5dbb5d980029

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21c81bb2d1edf9d80f620f067fbfddf7bfeca49a07d186fb37cb83e06439a326",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2014-01-02T17:36:32Z",
    "title_canon_sha256": "c16c4777801082b282545a78242094f0f5141088852ecf699c0328d7c96d2289"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0480",
    "kind": "arxiv",
    "version": 1
  }
}