Pith Number

pith:RLRIF6YX

pith:2006:RLRIF6YXVE2ON3CN2TFAUNJ5YN

not attested not anchored not stored refs pending

Second-order operators with degenerate coefficients

Adam Sikora, A.F.M. ter Elst, Derek W. Robinson, Yueping Zhu

arxiv:math/0601307 v1 · 2006-01-13 · 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{RLRIF6YXVE2ON3CN2TFAUNJ5YN}

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	2026-05-18T03:03:22.983277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ae282fb17a934e6ec4dd4ca0a353dc364a6a947b48b73e2aa9a9cec25673bf1

Aliases

arxiv: math/0601307 · arxiv_version: math/0601307v1 · doi: 10.48550/arxiv.math/0601307 · pith_short_12: RLRIF6YXVE2O · pith_short_16: RLRIF6YXVE2ON3CN · pith_short_8: RLRIF6YX

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/RLRIF6YXVE2ON3CN2TFAUNJ5YN \
  | 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: 8ae282fb17a934e6ec4dd4ca0a353dc364a6a947b48b73e2aa9a9cec25673bf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "904fb14888b218d2a3c07f8de2ad419bfd0e8f4b38625c4d8c694fcaccb2e8d3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AP",
    "submitted_at": "2006-01-13T02:53:29Z",
    "title_canon_sha256": "4567d550240e9ac74bb47abb42b78cc6693a74b1f4aa8ab6d0d79b77c9d0ff3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0601307",
    "kind": "arxiv",
    "version": 1
  }
}