Pith Number

pith:VKKWM7KN

pith:2021:VKKWM7KNVNGJDGSRQS5JNFQZAZ

not attested not anchored not stored refs pending

A Functional Abstraction of Typed Invocation Contexts

Chiaki Ishio, Kaho Honda, Kenichi Asai, Youyou Cong

arxiv:2110.07349 v5 · 2021-10-14 · 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{VKKWM7KNVNGJDGSRQS5JNFQZAZ}

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	2026-07-05T06:23:34.310593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa95667d4dab4c919a5184ba969619067d39aa9575e737945bfd1a8107d38d44

Aliases

arxiv: 2110.07349 · arxiv_version: 2110.07349v5 · doi: 10.48550/arxiv.2110.07349 · pith_short_12: VKKWM7KNVNGJ · pith_short_16: VKKWM7KNVNGJDGSR · pith_short_8: VKKWM7KN

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/VKKWM7KNVNGJDGSRQS5JNFQZAZ \
  | 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: aa95667d4dab4c919a5184ba969619067d39aa9575e737945bfd1a8107d38d44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ead2d8f49afaf6cb37a17d7022bcc68e6cba9d2bcccfe549c01b6ac4fba35f9f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2021-10-14T13:34:32Z",
    "title_canon_sha256": "0f3b645ee5bc5cfd93ad6016e0df0a6492780c3b56cb466264acb8f5290f4ab9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.07349",
    "kind": "arxiv",
    "version": 5
  }
}