Pith Number

pith:7W3IDLKO

pith:2015:7W3IDLKOUHLU5QQXHF3PICHS2C

not attested not anchored not stored refs pending

Efficiently intertwining widening and narrowing

Francesca Scozzari, Gianluca Amato, Helmut Seidl, Kalmer Apinis, Vesal Vojdani

arxiv:1503.00883 v1 · 2015-03-03 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7W3IDLKOUHLU5QQXHF3PICHS2C}

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	2026-05-18T02:25:48.177824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdb681ad4ea1d74ec2173976f408f2d08f2263a3f9117d376ce3131fd97dd2f5

Aliases

arxiv: 1503.00883 · arxiv_version: 1503.00883v1 · doi: 10.48550/arxiv.1503.00883 · pith_short_12: 7W3IDLKOUHLU · pith_short_16: 7W3IDLKOUHLU5QQX · pith_short_8: 7W3IDLKO

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/7W3IDLKOUHLU5QQXHF3PICHS2C \
  | 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: fdb681ad4ea1d74ec2173976f408f2d08f2263a3f9117d376ce3131fd97dd2f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "387a8a6697a3fe9bb2d98120cb798a5add1fe72dfa06d251e2973247ef0a8072",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2015-03-03T10:35:47Z",
    "title_canon_sha256": "5595598a318c2a38838d91c5eac6ce57f4a9abba52c8bcba8539fac0b7835b28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00883",
    "kind": "arxiv",
    "version": 1
  }
}