Pith Number

pith:7VRWW6WP

pith:2016:7VRWW6WPQBCPKWAMZLVSCO3TPX

not attested not anchored not stored refs pending

Inverse problems for semilinear wave equations on Lorentzian manifolds

Gunther Uhlmann, Matti Lassas, Yiran Wang

arxiv:1606.06261 v1 · 2016-06-20 · 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{7VRWW6WPQBCPKWAMZLVSCO3TPX}

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	2026-05-18T01:12:15.264535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd636b7acf8044f5580ccaeb213b737de862781d4df81f9257ab22a8565823f9

Aliases

arxiv: 1606.06261 · arxiv_version: 1606.06261v1 · doi: 10.48550/arxiv.1606.06261 · pith_short_12: 7VRWW6WPQBCP · pith_short_16: 7VRWW6WPQBCPKWAM · pith_short_8: 7VRWW6WP

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/7VRWW6WPQBCPKWAMZLVSCO3TPX \
  | 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: fd636b7acf8044f5580ccaeb213b737de862781d4df81f9257ab22a8565823f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afabaa2aa8938c67a36cf3a91d03b21ba37902089d847bb90905e0dd905f79ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-06-20T19:25:49Z",
    "title_canon_sha256": "b4d4d73a59ca114dc19482adb3e2f4169c922b87c27bcdbdca907c3f1836b80c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.06261",
    "kind": "arxiv",
    "version": 1
  }
}