Pith Number

pith:UMZCJO3Q

pith:2026:UMZCJO3QQJTTODEZSHV2BXM43N

not attested not anchored not stored refs pending

MergirafSemi: A Language-Agnostic Semistructured Merge Tool

Guilherme Cavalcanti, Paola Accioly, Paulo Borba, Pedro Lopes

arxiv:2608.11345 v1 · 2026-08-11 · cs.SE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UMZCJO3QQJTTODEZSHV2BXM43N}

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	2026-08-13T00:21:39.042316Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a33224bb708267370c9991eba0dd9cdb5b65f37223f8232abe1a7110f6275991

Aliases

arxiv: 2608.11345 · arxiv_version: 2608.11345v1 · doi: 10.48550/arxiv.2608.11345 · pith_short_12: UMZCJO3QQJTT · pith_short_16: UMZCJO3QQJTTODEZ · pith_short_8: UMZCJO3Q

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/UMZCJO3QQJTTODEZSHV2BXM43N \
  | 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: a33224bb708267370c9991eba0dd9cdb5b65f37223f8232abe1a7110f6275991

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4fe37b52763312a5003141aac4e26dde997c69ee0a31873519ed04bd51a1d5b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-08-11T18:52:13Z",
    "title_canon_sha256": "d0e06ee29359d526b28543eaaefca58d1670c09a8be7da9b9e9016396cc735c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.11345",
    "kind": "arxiv",
    "version": 1
  }
}