Pith Number

pith:ZRA3TLPC

pith:2017:ZRA3TLPCKHXMDRKCQTRD6OHQGV

not attested not anchored not stored refs pending

From Type Spaces to Probability Frames and Back, via Language

Adam Bjorndahl (Carnegie Mellon University), Joseph Y. Halpern (Cornell University)

arxiv:1707.08738 v1 · 2017-07-27 · cs.LO · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZRA3TLPCKHXMDRKCQTRD6OHQGV}

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	2026-05-18T00:39:19.775098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc41b9ade251eec1c54284e23f38f0355a8b6df51147814db96c1b8741037b20

Aliases

arxiv: 1707.08738 · arxiv_version: 1707.08738v1 · doi: 10.48550/arxiv.1707.08738 · pith_short_12: ZRA3TLPCKHXM · pith_short_16: ZRA3TLPCKHXMDRKC · pith_short_8: ZRA3TLPC

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/ZRA3TLPCKHXMDRKCQTRD6OHQGV \
  | 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: cc41b9ade251eec1c54284e23f38f0355a8b6df51147814db96c1b8741037b20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81b7f8c375b8a33fe13d6297626adb46367bf07e53b0d98f78b42f1be7d4790d",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-07-27T07:46:20Z",
    "title_canon_sha256": "ce9502593daaa5dd719d942de5dc9e9734c8e8253234d466136fc3a8cea988c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08738",
    "kind": "arxiv",
    "version": 1
  }
}