Pith Number

pith:LJ7WOS7I

pith:2019:LJ7WOS7IBPDBRYHWWV6UB2D4B2

not attested not anchored not stored refs pending

Explicit and Controllable Assignment Semantics

Didier Buchs, Dimitri Racordon

arxiv:1907.11317 v1 · 2019-07-25 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LJ7WOS7IBPDBRYHWWV6UB2D4B2}

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	2026-05-17T23:39:29.468976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a7f674be80bc618e0f6b57d40e87c0ebdb4d9a27981f6ae62c55b22b700994a

Aliases

arxiv: 1907.11317 · arxiv_version: 1907.11317v1 · doi: 10.48550/arxiv.1907.11317 · pith_short_12: LJ7WOS7IBPDB · pith_short_16: LJ7WOS7IBPDBRYHW · pith_short_8: LJ7WOS7I

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/LJ7WOS7IBPDBRYHWWV6UB2D4B2 \
  | 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: 5a7f674be80bc618e0f6b57d40e87c0ebdb4d9a27981f6ae62c55b22b700994a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ea58ac643a7aa2962a5c8fb07a0c227c5ba12bb5987c6211fc3a36cc38fb8cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-07-25T21:56:17Z",
    "title_canon_sha256": "2ba580095633c8ec22fe1deb04fd9835623ec4f68afca401f5d1d01beb4b12f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11317",
    "kind": "arxiv",
    "version": 1
  }
}