Pith Number

pith:IBNZASJ6

pith:2019:IBNZASJ65G7ZKYPML3ZIKCBRMA

not attested not anchored not stored refs pending

Translating between models of concurrency

A.W. Roscoe, David Mestel

arxiv:1904.09875 v1 · 2019-04-22 · cs.FL · 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{IBNZASJ65G7ZKYPML3ZIKCBRMA}

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	2026-05-17T23:48:02.998050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

405b90493ee9bf9561ec5ef2850831601dbb89787304000aa91d7e24c7cdb57a

Aliases

arxiv: 1904.09875 · arxiv_version: 1904.09875v1 · doi: 10.48550/arxiv.1904.09875 · pith_short_12: IBNZASJ65G7Z · pith_short_16: IBNZASJ65G7ZKYPM · pith_short_8: IBNZASJ6

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/IBNZASJ65G7ZKYPML3ZIKCBRMA \
  | 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: 405b90493ee9bf9561ec5ef2850831601dbb89787304000aa91d7e24c7cdb57a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e115a3caaf20b4cbc1b653774995e87a30fdae2a32408aa951348e995539f3ce",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2019-04-22T13:49:39Z",
    "title_canon_sha256": "c5a44fa56cc3fd8512bdc84d5a16c44b67f6332611c0becbd5f7a06bdf7d872b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09875",
    "kind": "arxiv",
    "version": 1
  }
}