Pith Number

pith:LUKGUECC

pith:2019:LUKGUECCQJ3UHJXOR36RLE557G

not attested not anchored not stored refs pending

UTPO: User's Trust Profile Ontology - Modeling trust towards Online Health Information Sources

Hemant Purohit, Prakruthi Karuna, Vivian Motti

arxiv:1901.01276 v1 · 2019-01-04 · 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{LUKGUECCQJ3UHJXOR36RLE557G}

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	2026-05-17T23:56:52.326826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d146a1042827743a6ee8efd1593bdf9adba5bec8a4584140d0248ec8c3b0f63

Aliases

arxiv: 1901.01276 · arxiv_version: 1901.01276v1 · doi: 10.48550/arxiv.1901.01276 · pith_short_12: LUKGUECCQJ3U · pith_short_16: LUKGUECCQJ3UHJXO · pith_short_8: LUKGUECC

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/LUKGUECCQJ3UHJXOR36RLE557G \
  | 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: 5d146a1042827743a6ee8efd1593bdf9adba5bec8a4584140d0248ec8c3b0f63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5bcfc37574e440163f1901b2d65b4acf88b6de59fb0735f394f4b78c69ee2ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-01-04T19:05:13Z",
    "title_canon_sha256": "1b3f9abfd3f7e629ba9d2bc49b9d0203ccb8ab621b7bdc47543fd8bb8f600253"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01276",
    "kind": "arxiv",
    "version": 1
  }
}