Pith Number

pith:J6T3EJF7

pith:2016:J6T3EJF7UDCBFLL3ZOF7TOULR6

not attested not anchored not stored refs pending

Algebraic semantics for hybrid logics

Claudette Robinson, Willem Conradie

arxiv:1604.06901 v1 · 2016-04-23 · math.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{J6T3EJF7UDCBFLL3ZOF7TOULR6}

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	2026-05-18T01:16:23.652577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fa7b224bfa0c412ad7bcb8bf9ba8b8fb7e889973cb5e7b76c18412be34c4fbb

Aliases

arxiv: 1604.06901 · arxiv_version: 1604.06901v1 · doi: 10.48550/arxiv.1604.06901 · pith_short_12: J6T3EJF7UDCB · pith_short_16: J6T3EJF7UDCBFLL3 · pith_short_8: J6T3EJF7

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/J6T3EJF7UDCBFLL3ZOF7TOULR6 \
  | 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: 4fa7b224bfa0c412ad7bcb8bf9ba8b8fb7e889973cb5e7b76c18412be34c4fbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a6952f0fde4e67556061e078f07f177a777a67c4368af66364173902160e27d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2016-04-23T12:40:43Z",
    "title_canon_sha256": "ae1fde08346d425c97967946bde7bdf535a1a16574ad9e723db6ad029fc55ecd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06901",
    "kind": "arxiv",
    "version": 1
  }
}