Pith Number

pith:C5XMG732

pith:2017:C5XMG732HIRVLHUEH2BUYDWKTG

not attested not anchored not stored refs pending

Proof Tree Preserving Interpolation

Alexander Nutz, Jochen Hoenicke, J\"urgen Christ

arxiv:1705.05309 v1 · 2017-05-15 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C5XMG732HIRVLHUEH2BUYDWKTG}

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	2026-05-18T00:44:30.872801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

176ec37f7a3a23559e843e834c0eca998dd720d55f1927d36e52a6ea462c490f

Aliases

arxiv: 1705.05309 · arxiv_version: 1705.05309v1 · doi: 10.48550/arxiv.1705.05309 · pith_short_12: C5XMG732HIRV · pith_short_16: C5XMG732HIRVLHUE · pith_short_8: C5XMG732

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/C5XMG732HIRVLHUEH2BUYDWKTG \
  | 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: 176ec37f7a3a23559e843e834c0eca998dd720d55f1927d36e52a6ea462c490f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bffe12a895d51d4237550bedfd460938e271358789f9218c91c0cdeb8eb07e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-05-15T16:05:13Z",
    "title_canon_sha256": "c35861275ffba0957d420ef14b4a8c167bde85f506eedfc0498f14989fb87f64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05309",
    "kind": "arxiv",
    "version": 1
  }
}