Pith Number

pith:PU2OQWUR

pith:2018:PU2OQWURAHOUHA7ZDMCBXDFIQA

not attested not anchored not stored refs pending

What Are You Hiding? Algorithmic Transparency and User Perceptions

Aaron Springer, Steve Whittaker

arxiv:1812.03220 v1 · 2018-12-07 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PU2OQWURAHOUHA7ZDMCBXDFIQA}

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	2026-05-17T23:58:46.865158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d34e85a9101dd4383f91b041b8ca880229059299ce8f6a5994692bb4aec4866

Aliases

arxiv: 1812.03220 · arxiv_version: 1812.03220v1 · doi: 10.48550/arxiv.1812.03220 · pith_short_12: PU2OQWURAHOU · pith_short_16: PU2OQWURAHOUHA7Z · pith_short_8: PU2OQWUR

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/PU2OQWURAHOUHA7ZDMCBXDFIQA \
  | 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: 7d34e85a9101dd4383f91b041b8ca880229059299ce8f6a5994692bb4aec4866

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a19c2e73e3f6805365b652ebb0eb417fd51d678747bb0821c6a408a6938723a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2018-12-07T21:38:05Z",
    "title_canon_sha256": "d413e4f3a465dd069671502553a8449d28c4f07017db9048bc7073b3081b4d23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03220",
    "kind": "arxiv",
    "version": 1
  }
}