Pith Number

pith:JDF4D5EF

pith:2018:JDF4D5EFRYZHPONTTXEZUGG5ON

not attested not anchored not stored refs pending

First Order Alternation

Radu Iosif, Xiao Xu

arxiv:1811.02398 v2 · 2018-11-06 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JDF4D5EFRYZHPONTTXEZUGG5ON}

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	2026-05-18T00:00:29.444466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48cbc1f4858e3277b9b39dc99a18dd737854d4a6d0c9ed17dd88830d99df032b

Aliases

arxiv: 1811.02398 · arxiv_version: 1811.02398v2 · doi: 10.48550/arxiv.1811.02398 · pith_short_12: JDF4D5EFRYZH · pith_short_16: JDF4D5EFRYZHPONT · pith_short_8: JDF4D5EF

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/JDF4D5EFRYZHPONTTXEZUGG5ON \
  | 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: 48cbc1f4858e3277b9b39dc99a18dd737854d4a6d0c9ed17dd88830d99df032b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e115047af7cf811496fa6b55ec5e12a71f5b092f5852eec44c566a830bd91d97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2018-11-06T15:10:03Z",
    "title_canon_sha256": "40fa35a856be4afd6a32a63599f3efe43430ace0b9b190b85df661b08e523a71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02398",
    "kind": "arxiv",
    "version": 2
  }
}