Pith Number

pith:IDNX2AO6

pith:2016:IDNX2AO6IDAPJLPCD3NQQNYI5B

not attested not anchored not stored refs pending

Strong completions of spaces

Hadrian Andradi, Weng Kin Ho

arxiv:1607.04162 v2 · 2016-07-14 · cs.LO · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IDNX2AO6IDAPJLPCD3NQQNYI5B}

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	2026-05-18T01:03:26.150794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40db7d01de40c0f4ade21edb083708e86765c493152f3d4982ed5ef86f8c01c8

Aliases

arxiv: 1607.04162 · arxiv_version: 1607.04162v2 · doi: 10.48550/arxiv.1607.04162 · pith_short_12: IDNX2AO6IDAP · pith_short_16: IDNX2AO6IDAPJLPC · pith_short_8: IDNX2AO6

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/IDNX2AO6IDAPJLPCD3NQQNYI5B \
  | 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: 40db7d01de40c0f4ade21edb083708e86765c493152f3d4982ed5ef86f8c01c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "806d7091080ba44f9087cad244094a97c6018bbfcba26718db772173d78573ac",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-07-14T15:20:21Z",
    "title_canon_sha256": "ba9116febdbcd73657c32f3fa88bec22ac9eb32dac1b69fb251c010b4a342bc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04162",
    "kind": "arxiv",
    "version": 2
  }
}