Pith Number

pith:ULRBCTTQ

pith:2013:ULRBCTTQWX7U6YYO4MLTOM6ZS3

not attested not anchored not stored refs pending

The regular part of second-order differential sectorial forms with lower-order terms

A.F.M. ter Elst, Manfred Sauter

arxiv:1307.0186 v1 · 2013-06-30 · 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{ULRBCTTQWX7U6YYO4MLTOM6ZS3}

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	2026-05-18T02:17:34.016779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2e2114e70b5ff4f630ee3173733d996c654acf8f8aeb34828c7a3316139ee77

Aliases

arxiv: 1307.0186 · arxiv_version: 1307.0186v1 · doi: 10.48550/arxiv.1307.0186 · pith_short_12: ULRBCTTQWX7U · pith_short_16: ULRBCTTQWX7U6YYO · pith_short_8: ULRBCTTQ

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/ULRBCTTQWX7U6YYO4MLTOM6ZS3 \
  | 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: a2e2114e70b5ff4f630ee3173733d996c654acf8f8aeb34828c7a3316139ee77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "166e597600e8ac353cac15cb60a6cfc0ddb0215a0c19dcd6c5ffc6f4f3ec97c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-06-30T08:51:27Z",
    "title_canon_sha256": "7eca16368f6d2511ba55a22d051a9e866096894f095ae18b005200724eab9ded"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0186",
    "kind": "arxiv",
    "version": 1
  }
}