Pith Number

pith:NZUSICY2

pith:2014:NZUSICY2ISAPTID3JWM3LHBX55

not attested not anchored not stored refs pending

Optimizing The Selection of Strangers To Answer Questions in Social Media

Clemens Drews, Jalal Mahmud, Jeffrey Nichols, Michelle Zhou, Nimrod Megiddo

arxiv:1404.2013 v1 · 2014-04-08 · cs.SI · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NZUSICY2ISAPTID3JWM3LHBX55}

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	2026-05-18T02:54:38.736114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e69240b1a4480f9a07b4d99b59c37ef7fd0b9643d3b0fb6f0e67ecc89e53cf8

Aliases

arxiv: 1404.2013 · arxiv_version: 1404.2013v1 · doi: 10.48550/arxiv.1404.2013 · pith_short_12: NZUSICY2ISAP · pith_short_16: NZUSICY2ISAPTID3 · pith_short_8: NZUSICY2

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/NZUSICY2ISAPTID3JWM3LHBX55 \
  | 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: 6e69240b1a4480f9a07b4d99b59c37ef7fd0b9643d3b0fb6f0e67ecc89e53cf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89fcc72323624f2155612d20dfefc5dd6041e2f56e9bd61b3f75326d94ef0c6d",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2014-04-08T05:07:13Z",
    "title_canon_sha256": "7bba09bcb76aab42676ffdaaf032e617c00cf004e1487233e716180f65a0c415"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2013",
    "kind": "arxiv",
    "version": 1
  }
}