Pith Number

pith:PFXIPN6R

pith:2016:PFXIPN6RQJNNHKA2YPX24SLQCD

not attested not anchored not stored refs pending

It's about time: Online Macrotask Sequencing in Expert Crowdsourcing

Heinz Schmitz, Ioanna Lykourentzou

arxiv:1601.04038 v1 · 2016-01-15 · cs.SI · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PFXIPN6RQJNNHKA2YPX24SLQCD}

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	2026-05-18T01:22:49.441824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

796e87b7d1825ad3a81ac3efae497010f8c8217b47d21b408a0d55abff79ac64

Aliases

arxiv: 1601.04038 · arxiv_version: 1601.04038v1 · doi: 10.48550/arxiv.1601.04038 · pith_short_12: PFXIPN6RQJNN · pith_short_16: PFXIPN6RQJNNHKA2 · pith_short_8: PFXIPN6R

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/PFXIPN6RQJNNHKA2YPX24SLQCD \
  | 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: 796e87b7d1825ad3a81ac3efae497010f8c8217b47d21b408a0d55abff79ac64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "491e9f19f139852bec87f59077915de137ce0a6cd051bca94a648fc1d367d8d8",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2016-01-15T19:26:04Z",
    "title_canon_sha256": "b5b3d8a7c83b2915f177d17b4bbd6ce6b1cc5bf527660310b823aa165c7e679c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.04038",
    "kind": "arxiv",
    "version": 1
  }
}