Pith Number

pith:NUDKFM46

pith:2015:NUDKFM46FKPABJSNMOYDTPUB6U

not attested not anchored not stored refs pending

On location of zeros of the first derivative

Rados Bakic

arxiv:1510.06586 v1 · 2015-10-22 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NUDKFM46FKPABJSNMOYDTPUB6U}

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	2026-05-18T01:29:30.542947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d06a2b39e2a9e00a64d63b039be81f524a867497e1f44fed078b38b0ac06ec3

Aliases

arxiv: 1510.06586 · arxiv_version: 1510.06586v1 · doi: 10.48550/arxiv.1510.06586 · pith_short_12: NUDKFM46FKPA · pith_short_16: NUDKFM46FKPABJSN · pith_short_8: NUDKFM46

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/NUDKFM46FKPABJSNMOYDTPUB6U \
  | 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: 6d06a2b39e2a9e00a64d63b039be81f524a867497e1f44fed078b38b0ac06ec3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bf3e7b0636db0d70c3d1ff73e85fd3e1ac82ffb0df8649f11babef6a3c8797a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2015-10-22T11:58:10Z",
    "title_canon_sha256": "2c38bd4ae7d935a7b9078af176720911f31c7ad77ff97e38bcd098889451eb37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06586",
    "kind": "arxiv",
    "version": 1
  }
}