Pith Number

pith:TLJWZDNY

pith:2015:TLJWZDNYLN5IWYDOAVYM7LPPAX

not attested not anchored not stored refs pending

$\mathbb{Q}$ACFA

Alice Medvedev

arxiv:1508.06007 v1 · 2015-08-25 · 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{TLJWZDNYLN5IWYDOAVYM7LPPAX}

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	2026-05-18T01:34:47.149014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ad36c8db85b7a8b606e0570cfadef05e5c3419c18b3db9bffd178c5676b87a5

Aliases

arxiv: 1508.06007 · arxiv_version: 1508.06007v1 · doi: 10.48550/arxiv.1508.06007 · pith_short_12: TLJWZDNYLN5I · pith_short_16: TLJWZDNYLN5IWYDO · pith_short_8: TLJWZDNY

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/TLJWZDNYLN5IWYDOAVYM7LPPAX \
  | 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: 9ad36c8db85b7a8b606e0570cfadef05e5c3419c18b3db9bffd178c5676b87a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7076773b2abc660cd0789d26c0fa829df20bb78b53b1fee2ff07b074ffeb58f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-08-25T01:52:57Z",
    "title_canon_sha256": "22b1291841b1e536ae6b26a20bba5ccfebf86db3565b375f55b44d491c00ff69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06007",
    "kind": "arxiv",
    "version": 1
  }
}