Pith Number

pith:N424EXOC

pith:2026:N424EXOCW5K4YVDTKH7BWYLIKL

not attested not anchored not stored refs pending

The Scientific Contribution Graph: Automated Literature-based Technological Roadmapping at Scale

Peter A. Jansen

arxiv:2605.15011 v1 · 2026-05-14 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N424EXOCW5K4YVDTKH7BWYLIKL}

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	2026-05-17T23:38:54.786123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f35c25dc2b755cc547351fe1b616852d73a779c2b94663b72fbce1ad6939c59

Aliases

arxiv: 2605.15011 · arxiv_version: 2605.15011v1 · doi: 10.48550/arxiv.2605.15011 · pith_short_12: N424EXOCW5K4 · pith_short_16: N424EXOCW5K4YVDT · pith_short_8: N424EXOC

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/N424EXOCW5K4YVDTKH7BWYLIKL \
  | 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: 6f35c25dc2b755cc547351fe1b616852d73a779c2b94663b72fbce1ad6939c59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5317f2103b50a35607b4dc63c1dde5f87bcdf0ea02786e58e97872adc932e701",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-14T16:12:12Z",
    "title_canon_sha256": "a165d90b137e3f27939a1254f0f9b9459b6652c7ab589673199778e02d04f510"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.15011",
    "kind": "arxiv",
    "version": 1
  }
}