Pith Number

pith:SKMXUQDB

pith:2018:SKMXUQDBIXAA7XDWRHA2SWSPFN

not attested not anchored not stored refs pending

Unique Information and Secret Key Agreement

James P. Crutchfield, Jeffrey Emenheiser, Ryan G. James

arxiv:1811.01745 v1 · 2018-11-01 · cs.IT · cond-mat.stat-mech · math.IT · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SKMXUQDBIXAA7XDWRHA2SWSPFN}

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	2026-05-17T23:55:19.250348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92997a406145c00fdc7689c1a95a4f2b44419d0d2f9004cc2a4a6724ff2907ff

Aliases

arxiv: 1811.01745 · arxiv_version: 1811.01745v1 · doi: 10.48550/arxiv.1811.01745 · pith_short_12: SKMXUQDBIXAA · pith_short_16: SKMXUQDBIXAA7XDW · pith_short_8: SKMXUQDB

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/SKMXUQDBIXAA7XDWRHA2SWSPFN \
  | 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: 92997a406145c00fdc7689c1a95a4f2b44419d0d2f9004cc2a4a6724ff2907ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53cb6a3e83e42552ca79a1b22953cf10a7f71b8711904e95a079ff52e942f90e",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "math.IT",
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-11-01T21:03:38Z",
    "title_canon_sha256": "8ebee9ad8db50eff6bc3665b1b4f0f5f392e0c44be71fb889bf864d9e2d039ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01745",
    "kind": "arxiv",
    "version": 1
  }
}