Pith Number

pith:GYBWFED6

pith:2018:GYBWFED6HRIEXUA4IKC5SIVVIL

not attested not anchored not stored refs pending

On semilinear Tricomi equations in one space dimension

Daoyin He, Huicheng Yin, Ingo Witt

arxiv:1810.12748 v1 · 2018-10-27 · 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{GYBWFED6HRIEXUA4IKC5SIVVIL}

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	2026-05-18T00:01:54.242625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

360362907e3c504bd01c4285d922b542cd6261edceb6f60526844954eaaa042b

Aliases

arxiv: 1810.12748 · arxiv_version: 1810.12748v1 · doi: 10.48550/arxiv.1810.12748 · pith_short_12: GYBWFED6HRIE · pith_short_16: GYBWFED6HRIEXUA4 · pith_short_8: GYBWFED6

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/GYBWFED6HRIEXUA4IKC5SIVVIL \
  | 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: 360362907e3c504bd01c4285d922b542cd6261edceb6f60526844954eaaa042b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf74d7af1b308d2e3c32ae9e9fbcafb3e2ce9cd220d20b3070f71c901c3733b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-10-27T07:49:07Z",
    "title_canon_sha256": "d87f074395fa07b646de8e80aa5fb2282465de59177e06187125aed805e16d44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12748",
    "kind": "arxiv",
    "version": 1
  }
}