Pith Number

pith:2AMIOZ7D

pith:2013:2AMIOZ7D7AE4KR2VXPY4ALWPHV

not attested not anchored not stored refs pending

Using higher-order contracts to model session types

Giovanni Bernardi, Matthew Hennessy

arxiv:1310.6176 v6 · 2013-10-23 · 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{2AMIOZ7D7AE4KR2VXPY4ALWPHV}

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	2026-05-17T23:51:24.025485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0188767e3f809c54755bbf1c02ecf3d74a4ecb5c6272a27317b86664f57efe6

Aliases

arxiv: 1310.6176 · arxiv_version: 1310.6176v6 · doi: 10.48550/arxiv.1310.6176 · pith_short_12: 2AMIOZ7D7AE4 · pith_short_16: 2AMIOZ7D7AE4KR2V · pith_short_8: 2AMIOZ7D

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/2AMIOZ7D7AE4KR2VXPY4ALWPHV \
  | 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: d0188767e3f809c54755bbf1c02ecf3d74a4ecb5c6272a27317b86664f57efe6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fddbed978a6dedfced28149f0c53eff776e0cde84a07d48f1c9e69effd007bc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-10-23T10:41:12Z",
    "title_canon_sha256": "35dff86121b4547d1ea0bb33ca2e1a781e4e6052342ca457a2ed56a66450ef05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6176",
    "kind": "arxiv",
    "version": 6
  }
}