Pith Number

pith:PGAEFWTF

pith:2012:PGAEFWTFBBOZ55CRNRELDKUYIB

not attested not anchored not stored refs pending

On the regularity of special difference divisors

Ulrich Terstiege

arxiv:1209.1286 v1 · 2012-09-06 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PGAEFWTFBBOZ55CRNRELDKUYIB}

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	2026-05-18T03:46:06.027249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

798042da65085d9ef4516c48b1aa98405a9abc526c1b4a697c8d93088378a490

Aliases

arxiv: 1209.1286 · arxiv_version: 1209.1286v1 · doi: 10.48550/arxiv.1209.1286 · pith_short_12: PGAEFWTFBBOZ · pith_short_16: PGAEFWTFBBOZ55CR · pith_short_8: PGAEFWTF

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/PGAEFWTFBBOZ55CRNRELDKUYIB \
  | 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: 798042da65085d9ef4516c48b1aa98405a9abc526c1b4a697c8d93088378a490

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd813b062fd61f00f2a5d04fd4f1eda92b83744de7df554ba28d72bbf264983e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-09-06T14:11:51Z",
    "title_canon_sha256": "63eac3ba1afc7e1b25ada6b512decdb91fe0801b319157f455b2a458b8c774cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1286",
    "kind": "arxiv",
    "version": 1
  }
}