Pith Number

pith:F7VNK4XP

pith:2018:F7VNK4XPLVREB72FZIDEKAG7VM

not attested not anchored not stored refs pending

Freeform Assembly Planning

Greg Hurst, Matthew K. Gelber, Rohit Bhargava

arxiv:1801.00527 v3 · 2018-01-01 · cs.CE · cs.CC · cs.DS · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7VNK4XPLVREB72FZIDEKAG7VM}

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	2026-05-18T00:14:46.627282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fead572ef5d6240ff45ca064500dfab2ad5f5c8a7198184ce4e400e91bb6287

Aliases

arxiv: 1801.00527 · arxiv_version: 1801.00527v3 · doi: 10.48550/arxiv.1801.00527 · pith_short_12: F7VNK4XPLVRE · pith_short_16: F7VNK4XPLVREB72F · pith_short_8: F7VNK4XP

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/F7VNK4XPLVREB72FZIDEKAG7VM \
  | 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: 2fead572ef5d6240ff45ca064500dfab2ad5f5c8a7198184ce4e400e91bb6287

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54c7018b3eb4995681c3f47927813427be61fbb5b6c85bb3fd90285879dccef6",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS",
      "cs.RO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2018-01-01T23:41:50Z",
    "title_canon_sha256": "4728fd7a061fcb62fae4efc7898147177323b51c1b778ee944ba8286b5fa148b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00527",
    "kind": "arxiv",
    "version": 3
  }
}