Pith Number

pith:NKL4A27Z

pith:2017:NKL4A27ZZBEXRRHXY4QYDTTPOY

not attested not anchored not stored refs pending

Ultra valuations

Daniel Lehmann

arxiv:1712.04236 v4 · 2017-12-12 · 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{NKL4A27ZZBEXRRHXY4QYDTTPOY}

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	2026-05-18T00:05:09.429112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a97c06bf9c84978c4f7c72181ce6f762b38c9e5bd8005b74a4a3cab74acc7b4

Aliases

arxiv: 1712.04236 · arxiv_version: 1712.04236v4 · doi: 10.48550/arxiv.1712.04236 · pith_short_12: NKL4A27ZZBEX · pith_short_16: NKL4A27ZZBEXRRHX · pith_short_8: NKL4A27Z

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/NKL4A27ZZBEXRRHXY4QYDTTPOY \
  | 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: 6a97c06bf9c84978c4f7c72181ce6f762b38c9e5bd8005b74a4a3cab74acc7b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a732ea3d2f63ff7efe364f128502c404fcbdea538a33862e7dc9ca617d4a9f59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2017-12-12T11:14:52Z",
    "title_canon_sha256": "97b07b863c2d557e69b98628ab428e483b3fdbc5a906c0e676053b883efb059e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04236",
    "kind": "arxiv",
    "version": 4
  }
}