Pith Number

pith:CBYOFDHD

pith:2015:CBYOFDHDJU3UQIWX53FEA2ASJC

not attested not anchored not stored refs pending

On hyperbolic equations and systems with non-regular time dependent coefficients

Claudia Garetto

arxiv:1504.03716 v1 · 2015-04-14 · 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{CBYOFDHDJU3UQIWX53FEA2ASJC}

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	2026-05-18T02:18:42.309577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1070e28ce34d374822d7eeca40681248aaecb6501e2c075702275e052d24c560

Aliases

arxiv: 1504.03716 · arxiv_version: 1504.03716v1 · doi: 10.48550/arxiv.1504.03716 · pith_short_12: CBYOFDHDJU3U · pith_short_16: CBYOFDHDJU3UQIWX · pith_short_8: CBYOFDHD

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/CBYOFDHDJU3UQIWX53FEA2ASJC \
  | 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: 1070e28ce34d374822d7eeca40681248aaecb6501e2c075702275e052d24c560

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c428d84e554542597708dabd9163a0e2cb1b5ad953e7c64d894fab9794fcb0d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-04-14T20:43:42Z",
    "title_canon_sha256": "d852453e286520ae347b0bf9be507c8d40a5f6f1df346e8f7e612b02f23a8d31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03716",
    "kind": "arxiv",
    "version": 1
  }
}