Pith Number

pith:UV7VRUVJ

pith:2015:UV7VRUVJX3S5G6LK36AC2TFHKY

not attested not anchored not stored refs pending

On evaluation of the Heun functions

Oleg V. Motygin

arxiv:1506.03848 v1 · 2015-06-11 · 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{UV7VRUVJX3S5G6LK36AC2TFHKY}

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	2026-05-18T00:24:02.505257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a57f58d2a9bee5d3796adf802d4ca75602cd6226335a7b96916eb98f32ad9c93

Aliases

arxiv: 1506.03848 · arxiv_version: 1506.03848v1 · doi: 10.48550/arxiv.1506.03848 · pith_short_12: UV7VRUVJX3S5 · pith_short_16: UV7VRUVJX3S5G6LK · pith_short_8: UV7VRUVJ

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/UV7VRUVJX3S5G6LK36AC2TFHKY \
  | 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: a57f58d2a9bee5d3796adf802d4ca75602cd6226335a7b96916eb98f32ad9c93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "689d99c8cb19e893b978458d60734de011ea00799264fcaeb7332af48e4738f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-06-11T21:36:22Z",
    "title_canon_sha256": "3fd9ce59ec01894957192123725572b2f28ce25a84f51c8dc0ec60fa861eda3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03848",
    "kind": "arxiv",
    "version": 1
  }
}