Pith Number

pith:HCAHPXIC

pith:2018:HCAHPXICWBWOVTBPMORTJXBOPW

not attested not anchored not stored refs pending

Bisimulation as path type for guarded recursive types

Niccol\`o Veltri, Rasmus Ejlers M{\o}gelberg

arxiv:1810.13261 v1 · 2018-10-31 · 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{HCAHPXICWBWOVTBPMORTJXBOPW}

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	2026-05-18T00:01:49.859172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

388077dd02b06ceacc2f63a334dc2e7db7bbf697719748083a8d133dd7d31576

Aliases

arxiv: 1810.13261 · arxiv_version: 1810.13261v1 · doi: 10.48550/arxiv.1810.13261 · pith_short_12: HCAHPXICWBWO · pith_short_16: HCAHPXICWBWOVTBP · pith_short_8: HCAHPXIC

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/HCAHPXICWBWOVTBPMORTJXBOPW \
  | 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: 388077dd02b06ceacc2f63a334dc2e7db7bbf697719748083a8d133dd7d31576

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e17da9afc51403ddcf627e3c28159007e923f476a3c4300e31c397d5a5ca5cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-10-31T12:59:02Z",
    "title_canon_sha256": "7bebf2ae3cbf3e46bd791180ef48f16cc7f5bbe5a4ddeb7ea322ebf652f18fcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.13261",
    "kind": "arxiv",
    "version": 1
  }
}