Pith Number

pith:2QBNMQ2C

pith:2012:2QBNMQ2CRJGBLRTJ3UAMIWRIFE

not attested not anchored not stored refs pending

Regularity theory for tangent-point energies: The non-degenerate sub-critical case

Philipp Reiter, Simon Blatt

arxiv:1208.3605 v1 · 2012-08-17 · math.AP · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QBNMQ2CRJGBLRTJ3UAMIWRIFE}

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	2026-05-18T03:48:34.780899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d402d643428a4c15c669dd00c45a28292ad73a2ead87f14a26c76b6565a90e07

Aliases

arxiv: 1208.3605 · arxiv_version: 1208.3605v1 · doi: 10.48550/arxiv.1208.3605 · pith_short_12: 2QBNMQ2CRJGB · pith_short_16: 2QBNMQ2CRJGBLRTJ · pith_short_8: 2QBNMQ2C

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/2QBNMQ2CRJGBLRTJ3UAMIWRIFE \
  | 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: d402d643428a4c15c669dd00c45a28292ad73a2ead87f14a26c76b6565a90e07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ad874bd2eb6e81bcf0f3d3e59a9038b176092cb853913633034a5d06d46a491",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-08-17T14:29:33Z",
    "title_canon_sha256": "ac27c0d4e35dd8ac43fad3868a4eee70ffaebc0cde77b807b30d13143294a575"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3605",
    "kind": "arxiv",
    "version": 1
  }
}