Pith Number

pith:U5UXYMME

pith:2015:U5UXYMMEBJBD3IYVVNPHOQSLEP

not attested not anchored not stored refs pending

Practical Run-time Checking via Unobtrusive Property Caching

Jos\'e F. Morales, Manuel V. Hermenegildo, Nataliia Stulova

arxiv:1507.05986 v2 · 2015-07-21 · 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{U5UXYMMEBJBD3IYVVNPHOQSLEP}

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	2026-07-05T00:42:11.999451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7697c31840a423da315ab5e77424b23e216209d247e48e8136dd4c7698eef0b

Aliases

arxiv: 1507.05986 · arxiv_version: 1507.05986v2 · doi: 10.48550/arxiv.1507.05986 · pith_short_12: U5UXYMMEBJBD · pith_short_16: U5UXYMMEBJBD3IYV · pith_short_8: U5UXYMME

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/U5UXYMMEBJBD3IYVVNPHOQSLEP \
  | 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: a7697c31840a423da315ab5e77424b23e216209d247e48e8136dd4c7698eef0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cafe9c2b3092904101cc87749831feab84bd2b106f83a2f92fc67ebb6445cca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2015-07-21T21:07:24Z",
    "title_canon_sha256": "9a3ff2673d62c2d740ad3b90ad0c354faeb606a300b4921ecd73e7489dae44f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05986",
    "kind": "arxiv",
    "version": 2
  }
}