Pith Number

pith:75MKYVUW

pith:2019:75MKYVUWRAK2HSAUZ6VFXSIYXV

not attested not anchored not stored refs pending

Incremental Computation of Concept Diagrams

Francesco Kriegel

arxiv:1903.02593 v1 · 2019-03-06 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75MKYVUWRAK2HSAUZ6VFXSIYXV}

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	2026-05-17T23:51:51.754490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff58ac56968815a3c814cfaa5bc918bd48d2bd56c217569630b6fc114fea8db4

Aliases

arxiv: 1903.02593 · arxiv_version: 1903.02593v1 · doi: 10.48550/arxiv.1903.02593 · pith_short_12: 75MKYVUWRAK2 · pith_short_16: 75MKYVUWRAK2HSAU · pith_short_8: 75MKYVUW

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/75MKYVUWRAK2HSAUZ6VFXSIYXV \
  | 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: ff58ac56968815a3c814cfaa5bc918bd48d2bd56c217569630b6fc114fea8db4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07980284f421ddc2176174ffcb659dbaf69cd0298691779ad086a8a46fce0950",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-03-06T19:49:12Z",
    "title_canon_sha256": "5abf6531865b056a485dd0dbc6e81456155a7c1339c90cd07a6515aa16702b7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02593",
    "kind": "arxiv",
    "version": 1
  }
}