Pith Number

pith:XHRE3B2K

pith:2012:XHRE3B2K7X3K24TODNKEU7XTYO

not attested not anchored not stored refs pending

Do corners always scatter?

Eemeli Bl{\aa}sten, John Sylvester, Lassi P\"aiv\"arinta

arxiv:1211.1848 v2 · 2012-11-08 · math.AP · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XHRE3B2K7X3K24TODNKEU7XTYO}

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	2026-05-18T00:33:53.655945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9e24d874afdf6ad726e1b544a7ef3c3b6c9df0ed13ac9a666bd2b58f66d00bf

Aliases

arxiv: 1211.1848 · arxiv_version: 1211.1848v2 · doi: 10.48550/arxiv.1211.1848 · pith_short_12: XHRE3B2K7X3K · pith_short_16: XHRE3B2K7X3K24TO · pith_short_8: XHRE3B2K

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/XHRE3B2K7X3K24TODNKEU7XTYO \
  | 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: b9e24d874afdf6ad726e1b544a7ef3c3b6c9df0ed13ac9a666bd2b58f66d00bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5503fbaa06a922022d3ef2f0a9990cea7f0e153ef6484d2eeab9f1ae7df568b1",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-11-08T13:40:03Z",
    "title_canon_sha256": "20378fd16e60b2838f70ea910a0ac26f83dd86e12db723c493ae23ef594a655c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1848",
    "kind": "arxiv",
    "version": 2
  }
}