Pith Number

pith:BJOC63U5

pith:2013:BJOC63U53RK57F7S4HWBUDOSBJ

not attested not anchored not stored refs pending

Short Tops and Semistable Degenerations

Adam Gewiss, Alexa Syryczuk, Andrey Novoseltsev, Charles Doran, Dmitri Skjorshammer, Ryan Davis, Ursula Whitcher

arxiv:1307.6514 v3 · 2013-07-24 · math.AG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BJOC63U53RK57F7S4HWBUDOSBJ}

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	2026-05-18T02:50:03.406416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a5c2f6e9ddc55df97f2e1ec1a0dd20a6fd8c4d04c9fa9a0e7f077383c835f3d

Aliases

arxiv: 1307.6514 · arxiv_version: 1307.6514v3 · doi: 10.48550/arxiv.1307.6514 · pith_short_12: BJOC63U53RK5 · pith_short_16: BJOC63U53RK57F7S · pith_short_8: BJOC63U5

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/BJOC63U53RK57F7S4HWBUDOSBJ \
  | 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: 0a5c2f6e9ddc55df97f2e1ec1a0dd20a6fd8c4d04c9fa9a0e7f077383c835f3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64ef15b1e352245fb7dc04d56682bfb92d0b55633d16a9ce4a183cd048e8145a",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-07-24T18:14:50Z",
    "title_canon_sha256": "03022f4a55f3f3218f0a08c570d90fb6fdb18fd456e7c06c1e0e3f4aa2df1de7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6514",
    "kind": "arxiv",
    "version": 3
  }
}