Pith Number

pith:R2464OLA

pith:2016:R2464OLAF4NBD7WDV72QAATLKB

not attested not anchored not stored refs pending

A Generalization of the Directed Graph Layering Problem

Miro Sp\"onemann, Reinhard von Hanxleden, Thorsten Ehlers, Ulf R\"uegg

arxiv:1608.07809 v1 · 2016-08-28 · cs.OH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R2464OLAF4NBD7WDV72QAATLKB}

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	2026-05-18T01:07:49.860570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8eb9ee39602f1a11fec3aff500026b505360536510b9dcef8d1c7c8bcc63c61b

Aliases

arxiv: 1608.07809 · arxiv_version: 1608.07809v1 · doi: 10.48550/arxiv.1608.07809 · pith_short_12: R2464OLAF4NB · pith_short_16: R2464OLAF4NBD7WD · pith_short_8: R2464OLA

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/R2464OLAF4NBD7WDV72QAATLKB \
  | 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: 8eb9ee39602f1a11fec3aff500026b505360536510b9dcef8d1c7c8bcc63c61b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "691a37438cc19fbd9a34e0598d1b7312c903f55c00f798568d54db3a4ef7ff68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2016-08-28T13:38:55Z",
    "title_canon_sha256": "b43d1cedab10b506d6dca8975190165c0928e3243852e7b6f61f0815682558fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.07809",
    "kind": "arxiv",
    "version": 1
  }
}