Pith Number

pith:FCZ3QXO3

pith:2014:FCZ3QXO3HPR6LUGIWPGI2N4WPK

not attested not anchored not stored refs pending

Inverse Problems for Hyperbolic Equations

Gregory Eskin

arxiv:1407.5233 v1 · 2014-07-20 · 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{FCZ3QXO3HPR6LUGIWPGI2N4WPK}

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	2026-05-18T02:47:14.615466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28b3b85ddb3be3e5d0c8b3cc8d37967a9951a195278b6c241a0b9932eb0a53e3

Aliases

arxiv: 1407.5233 · arxiv_version: 1407.5233v1 · doi: 10.48550/arxiv.1407.5233 · pith_short_12: FCZ3QXO3HPR6 · pith_short_16: FCZ3QXO3HPR6LUGI · pith_short_8: FCZ3QXO3

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/FCZ3QXO3HPR6LUGIWPGI2N4WPK \
  | 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: 28b3b85ddb3be3e5d0c8b3cc8d37967a9951a195278b6c241a0b9932eb0a53e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ae33ec0fa7ece9658415be32f6d3459fdd56eb8f0e3ac9544ff86688bfefd39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-07-20T02:14:00Z",
    "title_canon_sha256": "6fe821fb7c9d1925a23434bdc30f3d1cc86feb031c1a1e90b27f1c12b32c159e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5233",
    "kind": "arxiv",
    "version": 1
  }
}