Pith Number

pith:UYE7TUHM

pith:2012:UYE7TUHMXD6MX5RVRQLZ5XHNF4

not attested not anchored not stored refs pending

Rationale awareness for quality assurance in iterative human computation processes

Lu Xiao

arxiv:1204.3491 v1 · 2012-04-16 · cs.HC · 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{UYE7TUHMXD6MX5RVRQLZ5XHNF4}

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	2026-05-18T03:57:51.396355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a609f9d0ecb8fccbf6358c179edced2f3007749c724a753f9442c2532ad05ac1

Aliases

arxiv: 1204.3491 · arxiv_version: 1204.3491v1 · doi: 10.48550/arxiv.1204.3491 · pith_short_12: UYE7TUHMXD6M · pith_short_16: UYE7TUHMXD6MX5RV · pith_short_8: UYE7TUHM

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/UYE7TUHMXD6MX5RVRQLZ5XHNF4 \
  | 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: a609f9d0ecb8fccbf6358c179edced2f3007749c724a753f9442c2532ad05ac1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b22dfbfc8a342189ba7bf6595999853fb17d4a191c67b07386f9751f94837144",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2012-04-16T14:06:28Z",
    "title_canon_sha256": "cd27e01824fd23d9cdfe702d24e648adb9c58950677a5f537315dfbbcb1e153f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3491",
    "kind": "arxiv",
    "version": 1
  }
}