Pith Number

pith:DRZRUHG2

pith:2019:DRZRUHG26N6RUOMERTHHVR3BTN

not attested not anchored not stored refs pending

Timed Systems through the Lens of Logic

Paul Gastin, S. Akshay, Shankara Narayanan Krishna, Vincent Juge

arxiv:1903.03773 v2 · 2019-03-09 · 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{DRZRUHG26N6RUOMERTHHVR3BTN}

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	2026-05-17T23:47:39.317476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c731a1cdaf37d1a39848cce7ac7619b5d067ad8e3bf1808c9194bf45f7bb2a9

Aliases

arxiv: 1903.03773 · arxiv_version: 1903.03773v2 · doi: 10.48550/arxiv.1903.03773 · pith_short_12: DRZRUHG26N6R · pith_short_16: DRZRUHG26N6RUOME · pith_short_8: DRZRUHG2

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/DRZRUHG26N6RUOMERTHHVR3BTN \
  | 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: 1c731a1cdaf37d1a39848cce7ac7619b5d067ad8e3bf1808c9194bf45f7bb2a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "890c9b634b17d125ee0e7b708279141a433d12f6996a0e655b6058544807696f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-03-09T10:03:07Z",
    "title_canon_sha256": "2635cf4b67099eec3467c8e0781f1f1a419a5850fee062f0a9bfc8dda0792117"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03773",
    "kind": "arxiv",
    "version": 2
  }
}