Pith Number

pith:NF6SNLCN

pith:2015:NF6SNLCNMBDSPXGUPCG7IV4MBT

not attested not anchored not stored refs pending

Finding Volunteers' Engagement Profiles in Human Computation for Citizen Science Projects

Francisco Brasileiro, Lesandro Ponciano

arxiv:1501.02134 v1 · 2015-01-09 · cs.HC · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NF6SNLCNMBDSPXGUPCG7IV4MBT}

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	2026-05-18T02:29:44.790689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

697d26ac4d604727dcd4788df4578c0cd5ca1afdf4c2d192d16e60ce1f52403b

Aliases

arxiv: 1501.02134 · arxiv_version: 1501.02134v1 · doi: 10.48550/arxiv.1501.02134 · pith_short_12: NF6SNLCNMBDS · pith_short_16: NF6SNLCNMBDSPXGU · pith_short_8: NF6SNLCN

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/NF6SNLCNMBDSPXGUPCG7IV4MBT \
  | 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: 697d26ac4d604727dcd4788df4578c0cd5ca1afdf4c2d192d16e60ce1f52403b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "330366daf6373de7e2bbc89f84f4e1f0eaa397f815742a329f3b30204beb2d85",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2015-01-09T13:38:02Z",
    "title_canon_sha256": "6762c53d726c6fa76cacdc3879e0e8e31b9d18a75297b64d02a1e68cbd196e27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02134",
    "kind": "arxiv",
    "version": 1
  }
}