Pith Number

pith:XHEPZOOT

pith:2012:XHEPZOOTHKG2B23VX4PYECUS2D

not attested not anchored not stored refs pending

On non-forking spectra

Artem Chernikov, Itay Kaplan, Saharon Shelah

arxiv:1205.3101 v2 · 2012-05-14 · math.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{XHEPZOOTHKG2B23VX4PYECUS2D}

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	2026-05-18T01:35:22.952041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9c8fcb9d33a8da0eb75bf1f820a92d0c44f49b992e857f745428e18e71cb980

Aliases

arxiv: 1205.3101 · arxiv_version: 1205.3101v2 · doi: 10.48550/arxiv.1205.3101 · pith_short_12: XHEPZOOTHKG2 · pith_short_16: XHEPZOOTHKG2B23V · pith_short_8: XHEPZOOT

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/XHEPZOOTHKG2B23VX4PYECUS2D \
  | 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: b9c8fcb9d33a8da0eb75bf1f820a92d0c44f49b992e857f745428e18e71cb980

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2729e26d60490d5243469554c719f4ec9f5e0c7077b812b586e7306ec2829f89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-05-14T17:07:43Z",
    "title_canon_sha256": "3aecd59d9d2e24167a602d5de38f3ed7ce9aecf6c54e9c37427039ceb2299f08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3101",
    "kind": "arxiv",
    "version": 2
  }
}