Pith Number

pith:QT72UMBY

pith:2017:QT72UMBYHQOM3RVYJCYEQ7GV7L

not attested not anchored not stored refs pending

Carleman estimate and application to an inverse source problem for a viscoelasticity model in anisotropic case

Daniela Sforza, Masahiro Yamamoto, Paola Loreti

arxiv:1701.03052 v1 · 2017-01-11 · 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{QT72UMBYHQOM3RVYJCYEQ7GV7L}

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	2026-05-18T00:28:56.495726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84ffaa30383c1ccdc6b848b0487cd5fac90f75a90cca4f06f581fca55b2e0642

Aliases

arxiv: 1701.03052 · arxiv_version: 1701.03052v1 · doi: 10.48550/arxiv.1701.03052 · pith_short_12: QT72UMBYHQOM · pith_short_16: QT72UMBYHQOM3RVY · pith_short_8: QT72UMBY

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/QT72UMBYHQOM3RVYJCYEQ7GV7L \
  | 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: 84ffaa30383c1ccdc6b848b0487cd5fac90f75a90cca4f06f581fca55b2e0642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7959d76125f516e92e3022a1709797ae508d57830737380731a41ed5bcff46b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-01-11T16:43:20Z",
    "title_canon_sha256": "1d063833c5204718df4ffffcb0deba0bbc56396920faea0702c57f0e36d0d562"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03052",
    "kind": "arxiv",
    "version": 1
  }
}