Pith Number

pith:6RZ2JIFT

pith:2015:6RZ2JIFTFFP5DSPJM5I6VITHTH

not attested not anchored not stored refs pending

Danger Invariants

Cristina David, Daniel Kroening, Matt Lewis

arxiv:1503.05445 v1 · 2015-03-18 · 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{6RZ2JIFTFFP5DSPJM5I6VITHTH}

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	2026-05-18T02:21:50.393137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f473a4a0b3295fd1c9e96751eaa26799c65e2ac02e953f1d3c06e360cad78ad2

Aliases

arxiv: 1503.05445 · arxiv_version: 1503.05445v1 · doi: 10.48550/arxiv.1503.05445 · pith_short_12: 6RZ2JIFTFFP5 · pith_short_16: 6RZ2JIFTFFP5DSPJ · pith_short_8: 6RZ2JIFT

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/6RZ2JIFTFFP5DSPJM5I6VITHTH \
  | 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: f473a4a0b3295fd1c9e96751eaa26799c65e2ac02e953f1d3c06e360cad78ad2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "875baa2a43bb214f691bf8a562f609e23ddd52919835c58f20da5a89b1d4380c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2015-03-18T15:13:12Z",
    "title_canon_sha256": "846cddc3a99d7b6a61c42642a2068441d8cf8f4ddf1607e575869a34fa219022"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05445",
    "kind": "arxiv",
    "version": 1
  }
}