Pith Number

pith:7FTEE5J7

pith:2019:7FTEE5J7HSPS3MUVTCSK5W7MFW

not attested not anchored not stored refs pending

PAI Data, Summary of the Project PAI Data Protocol

Dan Fang, Jincheng Du, Mark Harvilla

arxiv:1902.02470 v5 · 2019-02-07 · cs.DC · cs.DB · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7FTEE5J7HSPS3MUVTCSK5W7MFW}

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	2026-05-17T23:52:26.757967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f96642753f3c9f2db29598a4aedbec2da555887e31a0efba90d16345980a95da

Aliases

arxiv: 1902.02470 · arxiv_version: 1902.02470v5 · doi: 10.48550/arxiv.1902.02470 · pith_short_12: 7FTEE5J7HSPS · pith_short_16: 7FTEE5J7HSPS3MUV · pith_short_8: 7FTEE5J7

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/7FTEE5J7HSPS3MUVTCSK5W7MFW \
  | 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: f96642753f3c9f2db29598a4aedbec2da555887e31a0efba90d16345980a95da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abf8c98ac511953f8cde7811f9bbb70c7c503f5930546602b6e3c7745ba9e1a4",
    "cross_cats_sorted": [
      "cs.DB",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-02-07T04:26:17Z",
    "title_canon_sha256": "2fee1a21da3780c222fe9678dfe2eaf885fae7fe9ec08d94f03b45a3d79e8bbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02470",
    "kind": "arxiv",
    "version": 5
  }
}