Pith Number

pith:2E2VS4MQ

pith:2019:2E2VS4MQ2F5EXHTFTTAWUZSSKH

not attested not anchored not stored refs pending

Language-integrated provenance by trace analysis

James Cheney, Stefan Fehrenbach

arxiv:1905.02051 v1 · 2019-05-06 · cs.PL · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2E2VS4MQ2F5EXHTFTTAWUZSSKH}

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	2026-05-17T23:46:56.568737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d135597190d17a4b9e659cc16a665251c33b4f7db2fcee268c3623c5061af21e

Aliases

arxiv: 1905.02051 · arxiv_version: 1905.02051v1 · doi: 10.48550/arxiv.1905.02051 · pith_short_12: 2E2VS4MQ2F5E · pith_short_16: 2E2VS4MQ2F5EXHTF · pith_short_8: 2E2VS4MQ

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/2E2VS4MQ2F5EXHTFTTAWUZSSKH \
  | 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: d135597190d17a4b9e659cc16a665251c33b4f7db2fcee268c3623c5061af21e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c93cd3886207226ba3f79052a3e925bb5e1ae94d1bef0d9b6daba1392bf05ef7",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-05-06T13:56:46Z",
    "title_canon_sha256": "42096a37f9aa19d463ff3bbf5eea0e7d633797069dcf67b067192146109ffb15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02051",
    "kind": "arxiv",
    "version": 1
  }
}