Pith Number

pith:RBPSHDTU

pith:2013:RBPSHDTUA5SQSINXNLY7NKOOEE

not attested not anchored not stored refs pending

Algorithms for estimating spectral density functions for periodic potentials on the half line

Charles Fulton, David Pearson, Steven Pruess

arxiv:1303.5878 v1 · 2013-03-23 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RBPSHDTUA5SQSINXNLY7NKOOEE}

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	2026-05-18T03:30:01.042397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

885f238e7407650921b76af1f6a9ce211af8adf7571896927fff26bed9b36e1a

Aliases

arxiv: 1303.5878 · arxiv_version: 1303.5878v1 · doi: 10.48550/arxiv.1303.5878 · pith_short_12: RBPSHDTUA5SQ · pith_short_16: RBPSHDTUA5SQSINX · pith_short_8: RBPSHDTU

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/RBPSHDTUA5SQSINXNLY7NKOOEE \
  | 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: 885f238e7407650921b76af1f6a9ce211af8adf7571896927fff26bed9b36e1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1875f6542a47d99941e80d46103c25de859531836cd2204704c8bb47100577fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-03-23T19:17:38Z",
    "title_canon_sha256": "96e02157a38f6a3f2a297a50350868b97b8b64d6cb447cc59e67982b7d100d9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5878",
    "kind": "arxiv",
    "version": 1
  }
}