Pith Number

pith:OVUZUHQA

pith:2019:OVUZUHQAXINB65AX3EDQZJJNJK

not attested not anchored not stored refs pending

Proceedings of FACTS-IR 2019

Alexandra Olteanu, Jean Garcia-Gathright, Maarten de Rijke, Michael D. Ekstrand

arxiv:1907.05755 v1 · 2019-07-12 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OVUZUHQAXINB65AX3EDQZJJNJK}

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	2026-05-17T23:40:44.543735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75699a1e00ba1a1f7417d9070ca52d4aa2cc2ac92a5f4101d1d2b2f9fea0d0ba

Aliases

arxiv: 1907.05755 · arxiv_version: 1907.05755v1 · doi: 10.48550/arxiv.1907.05755 · pith_short_12: OVUZUHQAXINB · pith_short_16: OVUZUHQAXINB65AX · pith_short_8: OVUZUHQA

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/OVUZUHQAXINB65AX3EDQZJJNJK \
  | 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: 75699a1e00ba1a1f7417d9070ca52d4aa2cc2ac92a5f4101d1d2b2f9fea0d0ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf82b1b8ccc724bfeadd8eb4f59b4fc05ae4c1c20cbaf86934bb2729ca3b68d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-07-12T14:08:56Z",
    "title_canon_sha256": "a676b7a37a4518e09c914bfb22e065b9b455510875dff36aebe9571f27f41495"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05755",
    "kind": "arxiv",
    "version": 1
  }
}