Pith Number

pith:SUIRNLRP

pith:2008:SUIRNLRPDB75SQDQOX3SUFOHMP

not attested not anchored not stored refs pending

An existence result for the sandpile problem on flat tables with walls

G. Crasta, S. Finzi Vita

arxiv:0801.3809 v1 · 2008-01-24 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SUIRNLRPDB75SQDQOX3SUFOHMP}

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	2026-05-17T23:39:42.672734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

951116ae2f187fd9407075f72a15c763e0a7f094c664cb1f4bb0c11886fc40a5

Aliases

arxiv: 0801.3809 · arxiv_version: 0801.3809v1 · doi: 10.48550/arxiv.0801.3809 · pith_short_12: SUIRNLRPDB75 · pith_short_16: SUIRNLRPDB75SQDQ · pith_short_8: SUIRNLRP

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/SUIRNLRPDB75SQDQOX3SUFOHMP \
  | 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: 951116ae2f187fd9407075f72a15c763e0a7f094c664cb1f4bb0c11886fc40a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6828f757d292f7255191599d5d8f2cc1edd10c85e24a0b31c11309561e234bf3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AP",
    "submitted_at": "2008-01-24T18:07:02Z",
    "title_canon_sha256": "0a957f5ff35d38264accafbd82e0bb1c1339efd0dfecaf58b26acc93801d7f19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.3809",
    "kind": "arxiv",
    "version": 1
  }
}