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Pith Number

pith:RZEFP36P

pith:2012:RZEFP36P36SJTIU6W4PJQGSFG3
not attested not anchored not stored refs pending

Speculationes super formula integrali {\int} (x^ndx)/{\surd}(aa-2bx+cxx), ubi simul egregiae observationes circa fractiones continuas occurrunt

Alexander Aycock, Artur Diener, Leonhard Euler

arxiv:1202.0037 v1 · 2012-01-31 · math.HO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RZEFP36P36SJTIU6W4PJQGSFG3}

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 2026-05-18T04:03:20.657394Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8e4857efcfdfa499a29eb71e981a4536daaae7dac2ea40501bf6d968430c1324

Aliases

arxiv: 1202.0037 · arxiv_version: 1202.0037v1 · doi: 10.48550/arxiv.1202.0037 · pith_short_12: RZEFP36P36SJ · pith_short_16: RZEFP36P36SJTIU6 · pith_short_8: RZEFP36P
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RZEFP36P36SJTIU6W4PJQGSFG3 \
  | 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: 8e4857efcfdfa499a29eb71e981a4536daaae7dac2ea40501bf6d968430c1324
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e64e73c90efb27c0e8526670de0ec2bb12b8e847dc4f1550716e29cd2651891b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2012-01-31T21:45:20Z",
    "title_canon_sha256": "9e71b4df9bf754d7c4426f8265d1ad808f53eb13fdd87391bc94f574ebdd4b72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0037",
    "kind": "arxiv",
    "version": 1
  }
}